By the numbers: The 2023 leaders in wins and serving stats

With the 2023 Hologic WTA Tour season in the books, we can look at some of this year's top performers in match-wins, serving and return statistics.
Most Hologic WTA Tour singles titles: Iga Swiatek View Profile (6): Doha, Stuttgart, Roland Garros, Warsaw, Beijing, WTA Finals
Most match-wins
1. Iga Swiatek View Profile -- 68
2. Jessica Pegula View Profile -- 57
3. Aryna Sabalenka View Profile -- 55
4. Coco Gauff View Profile -- 50
5. Elena Rybakina View Profile -- 45
Not surprisingly, this year's Top 5 ranked players were the five winningest women on tour. But year-end World No.1 Iga Swiatek View Profile stands as the 2023 leader in matches and titles won, padding those totals by walking away with the title at the GNP Seguros WTA Finals Cancun.
Most clay-court match-wins
1. Iga Swiatek View Profile -- 19
2. Aryna Sabalenka View Profile -- 14
3. Daria Kasatkina View Profile -- 12
Most hard-court match-wins
1. Jessica Pegula View Profile -- 43
2. Iga Swiatek View Profile -- 42
3. Coco Gauff View Profile -- 39
Roland Garros champion Swiatek won the most matches on clay in 2023, but Jessica Pegula View Profile edged out Swiatek as the year's hard-court match-win leader. US Open champion Coco Gauff View Profile ranks third in hard-court match-wins for the season.
Title RETAINED 🛡️🏆
— wta (@WTA) June 18, 2023
Ekaterina Alexandrova View Profile goes BACK-TO-BACK in s-Hertogenbosch!#LibemaOpen pic.twitter.com/0bVf6FVNrz
Most grass-court match-wins
1. Ekaterina Alexandrova View Profile -- 10
2 (tie). Marketa Vondrousova View Profile -- 9
2 (tie). Madison Keys View Profile -- 9
Ekaterina Alexandrova View Profile won the most grass-court matches on tour in 2023, bolstered by her 's-Hertogenbosch title and her first Grand Slam second-week showing, at Wimbledon. The champion at the All England Club, Marketa Vondrousova View Profile , and Eastbourne champion Madison Keys View Profile tie for second place.
Most wins over Top 10 players
1. Iga Swiatek View Profile -- 13
2 (tie). Coco Gauff View Profile -- 9
2 (tie). Jessica Pegula View Profile -- 9
Most wins over Top 5 players
1. Iga Swiatek View Profile -- 7
2. Elena Rybakina View Profile -- 6
3. Jessica Pegula View Profile -- 5
Pegula's run to the championship match at the WTA Finals, where she beat three of the top four seeds, nudged her into medal positions for Top 5 wins and Top 10 wins this year.
Sealed with an ACE 🤌
— wta (@WTA) October 11, 2023
Zheng Qinwen defeats No.3 seed Sakkari 7-6(2), 6-3. #ZhengzhouOpen pic.twitter.com/AnyzSx58TJ
Best first-serve winning percentage (minimum of 20 matches)
1. Zheng Qinwen -- 73.7%
2. Elena Rybakina View Profile -- 73.6%
3. Aryna Sabalenka View Profile -- 72.9%
Best second-serve winning percentage (minimum of 20 matches)
1. Iga Swiatek View Profile -- 54.5%
2. Karolina Muchova View Profile -- 51.3%
3. Jessica Pegula View Profile -- 51.0%
Percentage of break points saved (minimum of 20 matches)
1. Caroline Garcia View Profile -- 65.4%
2. Elena Rybakina View Profile -- 62.7%
3. Aryna Sabalenka View Profile -- 62.4%
Zheng Qinwen leads Elena Rybakina View Profile and Aryna Sabalenka View Profile with first-serve success, while Caroline Garcia View Profile bests those same two players in break points saved. Swiatek heads up another category, holding the top second-serve winning percentage on tour.
Best winning percentage returning first serves (minimum of 20 matches)
1. Sara Sorribes Tormo View Profile -- 47.5%
2. Lesia Tsurenko -- 46.3%
3. Clara Burel View Profile -- 43.4%
Best winning percentage returning second serves (minimum of 20 matches)
1. Iga Swiatek View Profile -- 63.9%
2. Daria Kasatkina View Profile -- 60.3%
3. Sara Sorribes Tormo View Profile -- 60.2%
Percentage of break points converted (minimum of 20 matches)
1. Sara Sorribes Tormo View Profile -- 60.8%
2. Iga Swiatek View Profile -- 55.6%
3. Nao Hibino View Profile -- 53.6%
Sara Sorribes Tormo View Profile sits at the top of two service-return categories, first-serve return and break points converted. Swiatek, who leads the tour when delivering second serves, also leads the field when returning them.