RallyIQ

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.

  1. Jelena Ostapenko+0.43
  2. Aryna Sabalenka+0.36
  3. Serena Williams+0.34
  4. Su Wei Hsieh+0.33
  5. Danielle Collins+0.30
  6. Magda Linette+0.27
  7. Ons Jabeur+0.26
  8. Talia Gibson+0.26
  9. Anhelina Kalinina+0.24
  10. Anastasija Sevastova+0.24
  11. Clara Tauson+0.21
  12. Amanda Anisimova+0.21
  13. Sofia Kenin+0.21
  14. Barbora Krejcikova+0.19
  15. Angelique Kerber+0.18

Execution

Gets more out of a shot than the same choice usually yields.

  1. Caroline Wozniacki+2.22
  2. Maja Chwalinska+2.12
  3. Sara Sorribes Tormo+2.10
  4. Tatjana Maria+1.80
  5. Sara Errani+1.67
  6. Angelique Kerber+1.65
  7. Katie Volynets+1.57
  8. Daria Kasatkina+1.39
  9. Magdalena Frech+1.36
  10. Linda Fruhvirtova+1.26
  11. Mirra Andreeva+1.22
  12. Elina Avanesyan+0.98
  13. Victoria Azarenka+0.96
  14. Clara Tauson+0.95
  15. Belinda Bencic+0.91

Shot selection

Strokes worth more than the position average. Partly reflects the ball they were given.

  1. Caroline Garcia+0.74
  2. Venus Williams+0.66
  3. Liudmila Samsonova+0.65
  4. Camila Giorgi+0.61
  5. Jasmine Paolini+0.57
  6. Serena Williams+0.47
  7. Anastasia Pavlyuchenkova+0.45
  8. Olga Danilovic+0.44
  9. Qinwen Zheng+0.42
  10. Peyton Stearns+0.40
  11. Coco Gauff+0.40
  12. Eva Lys+0.39
  13. Beatriz Haddad Maia+0.38
  14. Shuai Zhang+0.37
  15. 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.

  1. Jelena Ostapenko+0.29
  2. Aliaksandra Sasnovich+0.27
  3. Coco Gauff+0.26
  4. Victoria Mboko+0.24
  5. Tamara Zidansek+0.22
  6. Daria Kasatkina+0.19
  7. Alexandra Eala+0.19
  8. Victoria Azarenka+0.18
  9. Magdalena Frech+0.18
  10. Bianca Andreescu+0.17
  11. Beatriz Haddad Maia+0.16
  12. Linda Noskova+0.16

Fewest points left

Smallest gap per 100 shots between the direction chosen and the best-value direction for that stroke.

  1. Jelena Ostapenko1.88
  2. Anhelina Kalinina2.11
  3. Iga Swiatek2.13
  4. Danielle Collins2.16
  5. Serena Williams2.20
  6. Magda Linette2.20
  7. Ekaterina Alexandrova2.21
  8. Aryna Sabalenka2.23
  9. Su Wei Hsieh2.26
  10. Amanda Anisimova2.27
  11. Anna Kalinskaya2.31
  12. 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.

  1. Viktorija Golubic · deuce court, more body8.2
  2. Ashlyn Krueger · deuce court, more T5.5
  3. Anastasia Pavlyuchenkova · deuce court, more wide4.9
  4. Ajla Tomljanovic · ad court, more T4.5
  5. Tamara Zidansek · deuce court, more T4.3
  6. Emma Raducanu · ad court, more wide4.1
  7. Veronika Kudermetova · deuce court, more T4.1
  8. Madison Keys · deuce court, more T4.0
  9. Karolina Muchova · deuce court, more T4.0
  10. Angelique Kerber · ad court, more T3.5
  11. Clara Tauson · deuce court, more wide3.4
  12. 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.

  1. Marta Kostyuk+0.29
  2. Barbora Krejcikova+0.19
  3. Magdalena Frech+0.19
  4. Diana Shnaider+0.18
  5. Jelena Ostapenko+0.18
  6. Suzan Lamens+0.17
  7. Daria Kasatkina+0.16
  8. Victoria Azarenka+0.16
  9. Coco Gauff+0.15
  10. Katerina Siniakova+0.14
  11. Bianca Andreescu+0.13
  12. 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.

  1. Madison Keys1.24
  2. Ashlyn Krueger1.17
  3. Emma Raducanu1.15
  4. Aryna Sabalenka1.14
  5. Veronika Kudermetova1.14
  6. Marta Kostyuk1.09
  7. Clara Tauson1.04
  8. Ajla Tomljanovic1.02
  9. Karolina Muchova1.00
  10. Katie Volynets1.00
  11. Linda Klimovicova0.97
  12. 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.