Leaderboards · minimum 5,000 modelled shots · adjusted for opponent strength
Who chooses well, who executes, who gets readable
Direction choice
Picks the more valuable direction for the stroke being hit.
- Jelena Ostapenko+0.43
- Aryna Sabalenka+0.36
- Serena Williams+0.34
- Su Wei Hsieh+0.33
- Danielle Collins+0.30
- Magda Linette+0.27
- Ons Jabeur+0.26
- Talia Gibson+0.26
- Anhelina Kalinina+0.24
- Anastasija Sevastova+0.24
- Clara Tauson+0.21
- Amanda Anisimova+0.21
- Sofia Kenin+0.21
- Barbora Krejcikova+0.19
- Angelique Kerber+0.18
Execution
Gets more out of a shot than the same choice usually yields.
- Caroline Wozniacki+2.22
- Maja Chwalinska+2.12
- Sara Sorribes Tormo+2.10
- Tatjana Maria+1.80
- Sara Errani+1.67
- Angelique Kerber+1.65
- Katie Volynets+1.57
- Daria Kasatkina+1.39
- Magdalena Frech+1.36
- Linda Fruhvirtova+1.26
- Mirra Andreeva+1.22
- Elina Avanesyan+0.98
- Victoria Azarenka+0.96
- Clara Tauson+0.95
- Belinda Bencic+0.91
Shot selection
Strokes worth more than the position average. Partly reflects the ball they were given.
- Caroline Garcia+0.74
- Venus Williams+0.66
- Liudmila Samsonova+0.65
- Camila Giorgi+0.61
- Jasmine Paolini+0.57
- Serena Williams+0.47
- Anastasia Pavlyuchenkova+0.45
- Olga Danilovic+0.44
- Qinwen Zheng+0.42
- Peyton Stearns+0.40
- Coco Gauff+0.40
- Eva Lys+0.39
- Beatriz Haddad Maia+0.38
- Shuai Zhang+0.37
- Maria Sakkari+0.36
Tactical adaptability
Moves the first-serve mix toward whatever has been winning in earlier sets. Points per 100 first serves, shrunk toward zero. A weak but real habit; rally choices showed none.
- Jelena Ostapenko+0.29
- Aliaksandra Sasnovich+0.27
- Coco Gauff+0.26
- Victoria Mboko+0.24
- Tamara Zidansek+0.22
- Daria Kasatkina+0.19
- Alexandra Eala+0.19
- Victoria Azarenka+0.18
- Magdalena Frech+0.18
- Bianca Andreescu+0.17
- Beatriz Haddad Maia+0.16
- Linda Noskova+0.16
Fewest points left
Smallest gap per 100 shots between the direction chosen and the best-value direction for that stroke.
- Jelena Ostapenko1.88
- Anhelina Kalinina2.11
- Iga Swiatek2.13
- Danielle Collins2.16
- Serena Williams2.20
- Magda Linette2.20
- Ekaterina Alexandrova2.21
- Aryna Sabalenka2.23
- Su Wei Hsieh2.26
- Amanda Anisimova2.27
- Anna Kalinskaya2.31
- Naomi Osaka2.33
Serve furthest from equilibrium
First-serve directions win at clearly different rates (p < 0.01), so the mix is off. Usage-weighted gap per 100 first serves.
- Viktorija Golubic · deuce court, more body8.2
- Ashlyn Krueger · deuce court, more T5.5
- Anastasia Pavlyuchenkova · deuce court, more wide4.9
- Ajla Tomljanovic · ad court, more T4.5
- Tamara Zidansek · deuce court, more T4.3
- Emma Raducanu · ad court, more wide4.1
- Veronika Kudermetova · deuce court, more T4.1
- Madison Keys · deuce court, more T4.0
- Karolina Muchova · deuce court, more T4.0
- Angelique Kerber · ad court, more T3.5
- Clara Tauson · deuce court, more wide3.4
- Aryna Sabalenka · deuce court, more wide3.4
Adapts fastest
Moves the first-serve mix toward what's winning every two to three service games, not just set to set. Points per 100 first serves, shrunk toward zero.
- Marta Kostyuk+0.29
- Barbora Krejcikova+0.19
- Magdalena Frech+0.19
- Diana Shnaider+0.18
- Jelena Ostapenko+0.18
- Suzan Lamens+0.17
- Daria Kasatkina+0.16
- Victoria Azarenka+0.16
- Coco Gauff+0.15
- Katerina Siniakova+0.14
- Bianca Andreescu+0.13
- Venus Williams+0.13
Most exploitable serve
Points per 100 first serves an optimal mix would win over the current one, allowing for returners reading a habit. Tested on matches they weren't fitted on, mixes picked this way win 0.42 per 100 on average.
- Madison Keys1.24
- Ashlyn Krueger1.17
- Emma Raducanu1.15
- Aryna Sabalenka1.14
- Veronika Kudermetova1.14
- Marta Kostyuk1.09
- Clara Tauson1.04
- Ajla Tomljanovic1.02
- Karolina Muchova1.00
- Katie Volynets1.00
- Linda Klimovicova0.97
- Tatjana Maria0.92
Pressure predictability
How much a server's first-serve direction narrows on break points, as a percentage of their normal unpredictability. Some players don't choke; they just become easier to read.