Game plan
Karim Mohamed Maamoun v Jesper De Jong
Every number combines what Karim Mohamed Maamoun does well with what Jesper De Jong allows, each measured against the tour average and shrunk toward it when the sample is thin. Flip perspective
Forecast
Each player's serve and return strength is fitted against every opponent they were charted against, so a record built on weak opponents counts for less. At least one of them is no longer active or has too little charted in the last three seasons, so both are compared on their careers. The result is then nudged by Karim Mohamed Maamoun's record against Jesper De Jong's tactical lookalikes and in their charted head-to-heads. A game-by-game Markov chain turns point odds into match odds; the 90% range covers the uncertainty in the two strengths, not the nudges. Charted matches lean toward big events, so treat this as a scouting estimate, not a betting line.
Head to head, per 100 shots
| Career | Karim | Jesper |
|---|---|---|
| Direction choice | −0.08 ±0.10 better than 37% | −0.14 ±0.06 better than 21% |
| Shot selection | −0.54 ±0.09 better than 11% | +0.30 ±0.12 better than 80% |
| Execution | −1.83 ±0.36 better than 5% | −0.72 ±0.35 better than 36% |
| Points left on the table | 2.38 ±0.12 lower than 76% | 2.79 ±0.11 lower than 32% |
Each player's career against an average tour player in the same position, adjusted for opponent strength, with a 90% margin (shots clustered by match). Points left on the table is the gap to the best-value direction for the same stroke, so lower is better. Percentiles are within each player's own tour. A side is highlighted only when the gap is larger than the margin on the difference.
Serve plan
The share of points the server wins when a first serve lands in that direction (hover a rate for its 90% interval; ± is the 90% margin). "Matchup" combines the server's rate with how this returner handles that serve. "Optimal" is the mix that wins most against this returner once they start reading a habit, at the response measured across the tour, and only within the range servers' habits actually vary. The gain over the current mix is how exploitable that mix is.
Karim Mohamed Maamoun serving
Deuce court
| 1st serve | Now | Karim wins | v Jesper | Matchup | Optimal |
|---|---|---|---|---|---|
| Wide | 37% | 68% | 72% | 67.4%±5.4 | 50% ▲ |
| Body | 9% | 69% | 64% | 69.9%±8.5 | 9% |
| T | 54% | 64% | 75% | 64.5%±5.2 | 41% ▼ |
Optimal v Jesper De Jong: +0.3±0.7 per 100 first serves (faults included) over the current mix, inside the 90% margin. Serving body every time would read +3.9 per 100 first serves in before the returner adjusts.
Ad court
| 1st serve | Now | Karim wins | v Jesper | Matchup | Optimal |
|---|---|---|---|---|---|
| Wide | 50% | 64% | 73% | 65.0%±5.4 | 63% ▲ |
| Body | 7% | 63% | 58% | 57.3%±10.6 | 7% |
| T | 43% | 67% | 64% | 58.5%±6.1 | 30% ▼ |
Optimal v Jesper De Jong: +0.1±0.7 per 100 first serves (faults included) over the current mix, inside the 90% margin. Serving wide every time would read +3.4 per 100 first serves in before the returner adjusts.
Jesper De Jong serving
Deuce court
| 1st serve | Now | Jesper wins | v Karim | Matchup | Optimal |
|---|---|---|---|---|---|
| Wide | 44% | 73% | 74% | 74.2%±4.7 | 39% ▼ |
| Body | 7% | 54% | 62% | 53.5%±10.1 | 0% ▼ |
| T | 48% | 81% | 72% | 78.7%±4.6 | 61% ▲ |
Optimal v Karim Mohamed Maamoun: +0.5±0.6 per 100 first serves (faults included) over the current mix, inside the 90% margin. Serving T every time would read +3.9 per 100 first serves in before the returner adjusts.
Ad court
| 1st serve | Now | Jesper wins | v Karim | Matchup | Optimal |
|---|---|---|---|---|---|
| Wide | 44% | 73% | 72% | 71.8%±4.9 | 57% ▲ |
| Body | 9% | 56% | 60% | 52.7%±11.7 | 0% ▼ |
| T | 47% | 71% | 71% | 70.0%±5.5 | 43% ▼ |
Optimal v Karim Mohamed Maamoun: +0.7±0.7 per 100 first serves (faults included) over the current mix. Serving wide every time would read +2.5 per 100 first serves in before the returner adjusts.
Return plan
Value of each return, in points per 100 returns against an average return of the same serve (direction, court, surface): the tour's result with that return, the returner's own edge with it, and what this server gives up when it comes back to that side. Returns with no charted direction are left out, so values compare with each other rather than with zero. Depth isn't a choice here: missed returns have no depth. Serve quality isn't charted, so a block through the middle partly reflects the serve that forced it.
Karim Mohamed Maamoun returning
1st serve to the forehand
| Return | Now | Tour | Own | v Jesper | Value |
|---|---|---|---|---|---|
| FH through the middle | 40% | +4.3 | −3.2 | +0.2 | +1.2±2.3 |
| FH crosscourt | 23% | +5.5 | −3.2 | −3.4 | −1.1±4.1 |
| FH slice through the middle | 19% | −4.2 | −1.8 | −1.0 | −7.0±2.3 |
| FH down the line | 9% | +1.7 | −7.8 | −2.4 | −8.5±4.3 |
| FH slice crosscourt | 7% | −4.3 | −1.8 | −0.8 | −6.9±2.4 |
Lean FH through the middle: +3.7±1.8 per 100 returns v the current mix (633 returns charted)
1st serve to the backhand
| Return | Now | Tour | Own | v Jesper | Value |
|---|---|---|---|---|---|
| BH through the middle | 46% | +6.4 | +0.1 | −2.1 | +4.4±2.0 |
| BH crosscourt | 38% | +8.8 | −1.9 | −1.4 | +5.5±2.8 |
| BH down the line | 7% | +4.2 | −0.3 | +0.1 | +4.0±4.5 |
| BH slice through the middle | 5% | −4.2 | +0.9 | −2.3 | −5.7±2.5 |
| BH slice crosscourt | 3% | +0.5 | −0.1 | −5.2 | −4.8±2.9 |
Lean BH crosscourt: +1.5±2.0 per 100 returns v the current mix (740 returns charted, inside the 90% margin)
2nd serve to the forehand
| Return | Now | Tour | Own | v Jesper | Value |
|---|---|---|---|---|---|
| FH through the middle | 42% | −3.5 | −3.5 | −0.8 | −7.8±2.5 |
| FH crosscourt | 40% | −0.2 | −4.7 | +0.2 | −4.8±4.3 |
| FH down the line | 8% | −1.8 | +1.8 | −2.4 | −2.4±4.1 |
| FH slice through the middle | 7% | −12.7 | −1.3 | ±0.0 | −14.0±1.3 |
| FH slice crosscourt | 3% | −12.5 | −0.1 | ±0.0 | −12.6±1.4 |
Lean FH down the line: +4.3±4.3 per 100 returns v the current mix (183 returns charted)
2nd serve to the backhand
| Return | Now | Tour | Own | v Jesper | Value |
|---|---|---|---|---|---|
| BH crosscourt | 55% | +1.0 | +0.5 | −0.3 | +1.2±2.6 |
| BH through the middle | 39% | −2.9 | −0.6 | −1.1 | −4.6±2.0 |
| BH down the line | 4% | −0.2 | −0.8 | −1.0 | −2.0±4.7 |
| FH through the middle | 1% | −2.9 | +0.2 | −0.8 | −3.5±1.7 |
Lean BH crosscourt: +2.5±1.4 per 100 returns v the current mix (500 returns charted)
Jesper De Jong returning
1st serve to the forehand
| Return | Now | Tour | Own | v Karim | Value |
|---|---|---|---|---|---|
| FH through the middle | 50% | +4.3 | −0.1 | −0.5 | +3.7±2.0 |
| FH down the line | 18% | +1.7 | −1.9 | +0.6 | +0.4±4.3 |
| FH crosscourt | 15% | +5.5 | +0.1 | −4.2 | +1.3±4.2 |
| FH slice through the middle | 12% | −4.2 | −2.1 | ±0.0 | −6.2±2.3 |
| FH slice down the line | 5% | −4.3 | −0.9 | −0.8 | −6.0±2.7 |
Lean FH through the middle: +2.7±1.4 per 100 returns v the current mix (543 returns charted)
1st serve to the backhand
| Return | Now | Tour | Own | v Karim | Value |
|---|---|---|---|---|---|
| BH through the middle | 37% | +6.4 | −0.2 | +2.1 | +8.3±1.9 |
| BH slice through the middle | 18% | −4.2 | −1.3 | +2.0 | −3.5±2.3 |
| BH crosscourt | 18% | +8.8 | −2.8 | −1.7 | +4.4±3.0 |
| BH down the line | 15% | +4.2 | −1.5 | +0.2 | +2.9±4.5 |
| BH slice crosscourt | 8% | +0.5 | −0.8 | −0.1 | −0.4±3.0 |
Lean BH through the middle: +5.2±1.6 per 100 returns v the current mix (672 returns charted)
2nd serve to the forehand
| Return | Now | Tour | Own | v Karim | Value |
|---|---|---|---|---|---|
| FH through the middle | 61% | −3.5 | −0.7 | −1.2 | −5.4±2.5 |
| FH crosscourt | 21% | −0.2 | −0.4 | +0.9 | +0.2±4.4 |
| FH down the line | 18% | −1.8 | +0.7 | +0.4 | −0.8±4.6 |
Lean FH crosscourt: +3.6±3.9 per 100 returns v the current mix (156 returns charted, inside the 90% margin)
2nd serve to the backhand
| Return | Now | Tour | Own | v Karim | Value |
|---|---|---|---|---|---|
| BH through the middle | 43% | −2.9 | ±0.0 | −0.5 | −3.4±1.9 |
| BH crosscourt | 26% | +1.0 | −0.9 | −1.7 | −1.6±2.8 |
| FH through the middle | 11% | −2.9 | +0.9 | −1.2 | −3.2±2.2 |
| FH inside-out | 8% | +1.0 | +2.1 | +0.4 | +3.4±3.6 |
| BH down the line | 7% | −0.2 | −2.4 | −1.1 | −3.7±4.9 |
Lean FH inside-out: +5.8±3.6 per 100 returns v the current mix (442 returns charted)
Rally plan
Edge, in points per 100 shots: the hitter's skill with the shot (own) plus how much the receiver usually gives up against it (theirs), both measured against the tour average.
Karim Mohamed Maamoun
Favour
| Shot | Edge | Own | Theirs |
|---|---|---|---|
| BH to their forehand · return | +2.2±4.0 | +2.7 | −0.4 |
| BH to their forehand · serve +1 | +1.0±4.5 | +3.9 | −3.0 |
| BH to their forehand · return +1 | +0.7±4.9 | +3.2 | −2.5 |
| BH to the middle · rally | +0.5±1.4 | −1.5 | +2.0 |
| BH to the middle · return +1 | −0.5±2.1 | −1.7 | +1.1 |
| BH to the middle · serve +1 | −0.6±2.1 | −1.8 | +1.2 |
Avoid
| Shot | Edge | Own | Theirs |
|---|---|---|---|
| FH to their forehand · return | −7.5±3.6 | −5.1 | −2.3 |
| FH to their backhand · return | −7.4±3.5 | −4.5 | −2.9 |
| BH slice to the middle · rally | −5.9±2.1 | −2.6 | −3.3 |
| BH slice to their backhand · rally | −4.1±2.1 | −2.7 | −1.4 |
| FH to the middle · return | −4.1±1.7 | −2.9 | −1.2 |
Jesper De Jong
Favour
| Shot | Edge | Own | Theirs |
|---|---|---|---|
| BH to their backhand · return +1 | +3.2±2.7 | +3.0 | +0.2 |
| BH to the middle · return | +1.7±1.4 | −0.1 | +1.8 |
| BH to the middle · serve +1 | +1.4±2.1 | +1.3 | +0.1 |
| BH slice to the middle · rally | +0.7±1.9 | +0.6 | +0.1 |
| BH slice to the middle · return | +0.5±2.3 | −1.6 | +2.0 |
| BH slice to their backhand · rally | +0.3±1.9 | +1.0 | −0.6 |
Avoid
| Shot | Edge | Own | Theirs |
|---|---|---|---|
| BH slice to their forehand · rally | −6.8±3.3 | −4.7 | −2.2 |
| BH to their backhand · return | −4.1±2.3 | −2.5 | −1.5 |
| FH to their forehand · return | −3.7±4.0 | −1.3 | −2.4 |
| BH to their forehand · return +1 | −3.6±4.7 | −0.5 | −3.2 |
| BH to their forehand · serve +1 | −3.4±4.6 | −2.1 | −1.4 |
Against Jesper De Jong-like opponents
| Karim Mohamed Maamoun v | Matches | Serve pts won | Return pts won |
|---|---|---|---|
| All charted opponents | – | 58.5% | 38.1% |
Similar by tactical fingerprint: Gael Monfils, Botic Van De Zandschulp, Alejandro Tabilo, Nuno Borges, Miomir Kecmanovic, Arthur Cazaux, Mackenzie Mcdonald, Matteo Arnaldi, Otto Virtanen, Andreas Seppi. When two players have rarely met, their records against these lookalikes fill the gap.