Cori Gauff and Lois Boisson will clash against each other in the semifinal of the French Open for the 1st time in their career. They are scheduled to play on Thursday at 5:00 pm on Court PHILIPPE-CHATRIER. In the following lines you can find the head to head analysis and prediction.
Prediction, odds and live streaming
The pick for Tennis Tonic is Cori Gauff who should win in 2 sets.
As per the initial odds, Cori Gauff is the pick to win this match.
Cori Gauff -> 1.23
Lois Boisson -> 4.35
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Prediction and head to head Cori Gauff vs. Lois Boisson
There is no head to head record between Cori Gauff and Lois Boisson since this will be the first time that they will clash against each other in the main tour.
Cori Gauff
| Year | Total | Hard | Clay | I.hard | Grass | Carpet |
|---|---|---|---|---|---|---|
| 2025 | 31-9 | 13-5 | 18-3 | 0-0 | 0-1 | 0-0 |
| 2024 | 54-18 | 31-10 | 14-5 | 4-1 | 5-2 | 0-0 |
| 2023 | 51-16 | 40-9 | 7-4 | 0-0 | 4-3 | 0-0 |
| 2022 | 38-23 | 23-16 | 10-4 | 0-1 | 5-2 | 0-0 |
| 2021 | 36-16 | 16-10 | 16-4 | 0-0 | 4-2 | 0-0 |
Ranked no. 2 (career-high), Cori reached the semifinal after beating Olivia Gadecki 6-2 6-2, Tereza Valentova 6-2 6-4, Marie Bouzkova 6-1 7-6(3), Ekaterina Alexandrova 6-0 7-5 and Madison Keys 6-7(6) 6-4 6-1.
In the quarter against Keys, Cori recovered from a 1-set down deficit before winning (6-76 6-4 6-1). During the match, Gauff scored 109 points vs Keys’s 90. Gauff was extremely aggressive to blast 39 winners.
Regarding the service games, Gauff scored just 1 ace during the match and she was not very steady on her 2nd serve to score 10 double faults. Cori Gauff lost the serve 5 times and she saved 5 break points. Furthermore, Gauff put 58% of her first serves in, winning 75% (39/52) of the points behind her 1st serve and 34% (13/38) on the 2nd serve. The American broke Keys 9 times after converting 53% of her break points (9/17).
Overall Performance in this tournament
Gauff has surrendered 1 set in this tournament to win 58% of the points she played.
Gauff has a fantastic match record in the last 9 years having won 70% of her matches (258-108). 16-3 on clay in 2025. Regarding her performance on the same surface of this competition, Gauff has an overall77-29 record in the last 9 years on clay.
Her best result of the year was conquering the title in Australia where she defeated Iga Swiatek in the final 6-4 6-4.
Cori has an overall 29-8 win-loss record in 2025, 16-3 on clay (See FULL STATS).
Previously at the French Open
Lois Boisson
| Year | Total | Hard | Clay | I.hard | Grass | Carpet |
|---|---|---|---|---|---|---|
| 2025 | 21-8 | 0-0 | 20-6 | 1-2 | 0-0 | 0-0 |
| 2024 | 31-7 | 0-0 | 23-2 | 8-5 | 0-0 | 0-0 |
| 2023 | 45-24 | 0-0 | 37-16 | 8-8 | 0-0 | 0-0 |
| 2022 | 12-14 | 1-2 | 8-7 | 3-5 | 0-0 | 0-0 |
| 2021 | 22-18 | 5-5 | 16-9 | 1-4 | 0-0 | 0-0 |
Ranked no. 361, Boisson reached the semifinal after defeating Elise Mertens 6-4 4-6 6-3, Anhelina Kalinina 6-1 6-2, Elsa Jacquemot 6-3 0-6 7-5, Jessica Pegula 3-6 6-4 6-4 and Mirra Andreeva 7-6(6) 6-3.
In the quarter, Boisson had a good straight sets win against Andreeva (7-66 6-3). During the match Boisson scored 97 points vs Andreeva’s 82. Lois was pretty aggressive to blast 36 winners.
Talking about serving, Boisson recorded 3 aces and she committed only 3 double faults. Lois Boisson lost the serve 3 times and she saved 6 break points. Furthermore, Boisson put 68% of her first serves in, winning 62% (36/58) of the points behind her 1st serve and 48% (13/27) on the 2nd serve. Boisson broke Andreeva 5 times after converting 45% of her break points (5/11).
Overall Performance in this tournament
Boisson has conceded 3 set in the tournament to win 53% of the points she played.
Her best result of the season was conquering the title the Gaudens where she overcame Tatiana Prozorova in the final 7-6(4) 6-0.
Boisson has a composed 21-7 win-loss record in 2025, 20-5 on clay (See FULL STATS).
Previously at the French Open
Previously, her best result was reaching the qualifications in 2021. See her history.
H2H Performance in the tournament (main draw)
Matches, sets, games and points
| Points | Gauff | Boisson |
|---|---|---|
| Match played | 5 | 5 |
| Tot Set | 11 | 13 |
| Tot Games | 102 | 122 |
| Pts | 384-282 | 432-386 |
| Total Points | 666 | 818 |
| Winners | 136 | 175 |
| %Winners | 35% | 41% |
Both Gauff and Boisson played 5 matches. Both players lost a set in the event. Cori Gauff surrendered 1 set, while Lois Boisson lost 3 sets. Gauff has played 2 set(s) less than Boisson (11 vs 13). Therefore, Gauff played 20 games less than Boisson. The American scored 136 winners (35% of the total points). On the other side, The French player recorded 175 winners (41%).
Serve Performance
| Serve | Gauff | Boisson |
|---|---|---|
| Aces | 6 | 14 |
| Avg per match | 1.2 | 2.8 |
| 1st in | 198/325 | 250/393 |
| %1st in | 61% | 64% |
| 1st pts | 136/198 | 175/250 |
| %1st pts | 69% | 70% |
| 2nd pts | 54/127 | 65/143 |
| %2nd pts | 43% | 45% |
Gauff managed to score 6 aces (1.2 per match). Boisson recorded 14 aces (2.8 per match). Gauff won 69% points behind her first serve. She was rock solid on her second serve to win 43% of the points. On the other side, Boisson won 70% of the points on her first serve. She had a solid display on her second serve to win 45% of the points.
How they played the important points
| Breaks | Gauff | Boisson |
|---|---|---|
| Won | 34 | 21 |
| Converted | 34/58 | 21/46 |
| % Converted | 59% | 46% |
| Conceded | 36 | 33 |
| Saved | 19 | 18 |
| % Saved | 53% | 55% |
| Times Broken | 17 | 15 |
The American broke her opponents 34 times with a 59% conversion rate. Cori lost her serve 17 times and she saved 53% of the break points that she conceded. Lois broke her opponents 21 times with a 46% conversion rate. The French player conceded her serve 15 times and she saved 55% of the break points that she conceded.
| Gauff | |||||||
| R1 Gadecki |
R2 Valentova |
R3 Bouzkova |
R4 Alexandrova |
1/4 Keys |
Total | ||
|---|---|---|---|---|---|---|---|
| Score | 6-2 6-2 | 6-2 6-4 | 6-1 7-63 | 6-0 7-5 | 6-76 6-4 6-1 | ||
| Tot Set | 2 | 2 | 2 | 2 | 3 | 11 | |
| Tot Games | 16 | 18 | 20 | 18 | 30 | 102 | |
| pts | 62-40 | 63-48 | 78-54 | 72-50 | 109-90 | 384-282 | |
| Total points | 102 | 111 | 132 | 122 | 199 | 666 | |
| Winners | 21 | 23 | 25 | 28 | 39 | 136 | |
| %Winners | 34% | 37% | 32% | 39% | 36% | 35% | |
| SERVE | |||||||
| Aces | 0 | 2 | 0 | 3 | 1 | 6 | |
| Double Faults | 7 | 6 | 4 | 4 | 10 | 31 | |
| 1st in | 31/52 | 38/54 | 34/56 | 43/73 | 52/90 | 198/325 | |
| % 1st in | 60% | 70% | 61% | 59% | 58% | 61% | |
| 1st pts | 21/31 | 23/38 | 25/34 | 28/43 | 39/52 | 136/198 | |
| % 1st pts | 68% | 61% | 74% | 65% | 75% | 69% | |
| 2nd pts | 10/21 | 3/16 | 10/22 | 18/30 | 13/38 | 54/127 | |
| % 2nd pts | 48% | 19% | 45% | 60% | 34% | 43% | |
| Breaks | |||||||
| Won | 6 | 8 | 6 | 5 | 9 | 34 | |
| Converted | 6/8 | 8/13 | 6/11 | 5/9 | 9/17 | 34/58 | |
| Converted % | 75% | 62% | 55% | 56% | 53% | 59% | |
| Conceded | 6 | 7 | 4 | 9 | 10 | 36 | |
| Saved | 4/6 | 2/7 | 0/4 | 8/9 | 5/10 | 19 | |
| Saved % | 67% | 29% | 0% | 89% | 50% | 47% | |
| Times Broken | 2 | 5 | 4 | 1 | 5 | 17 | |
| Boisson | |||||||
| R1 Mertens |
R2 Kalinina |
R3 Jacquemot |
R4 Pegula |
1/4 Andreeva |
Total | ||
|---|---|---|---|---|---|---|---|
| Score | 6-4 4-6 6-3 | 6-1 6-2 | 6-3 0-6 7-5 | 3-6 6-4 6-4 | 7-66 6-3 | ||
| Tot Set | 3 | 2 | 3 | 3 | 2 | 13 | |
| Tot Games | 29 | 15 | 27 | 29 | 22 | 122 | |
| pts | 87-80 | 58-30 | 87-87 | 103-107 | 97-82 | 432-386 | |
| Total points | 167 | 88 | 174 | 210 | 179 | 818 | |
| Winners | 39 | 26 | 33 | 41 | 36 | 175 | |
| %Winners | 45% | 45% | 38% | 40% | 37% | 41% | |
| SERVE | |||||||
| Aces | 3 | 4 | 1 | 3 | 3 | 14 | |
| Double Faults | 1 | 1 | 6 | 7 | 3 | 18 | |
| 1st in | 47/87 | 32/41 | 50/78 | 63/102 | 58/85 | 250/393 | |
| % 1st in | 54% | 78% | 64% | 62% | 68% | 64% | |
| 1st pts | 39/47 | 26/32 | 33/50 | 41/63 | 36/58 | 175/250 | |
| % 1st pts | 83% | 81% | 66% | 65% | 62% | 70% | |
| 2nd pts | 19/40 | 6/9 | 12/28 | 15/39 | 13/27 | 65/143 | |
| % 2nd pts | 48% | 67% | 43% | 38% | 48% | 45% | |
| Breaks | |||||||
| Won | 3 | 4 | 4 | 5 | 5 | 21 | |
| Converted | 3/8 | 4/5 | 4/10 | 5/12 | 5/11 | 21/46 | |
| Converted % | 38% | 80% | 40% | 42% | 45% | 46% | |
| Conceded | 6 | 0 | 6 | 12 | 9 | 33 | |
| Saved | 4/6 | 0/0 | 1/6 | 7/12 | 6/9 | 18 | |
| Saved % | 67% | – | 17% | 58% | 67% | 42% | |
| Times Broken | 2 | 0 | 5 | 5 | 3 | 15 | |
Head 2 Head
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