Donna Vekic is 3 wins away to conquer the title in San Diego. The Croatian has defeated Katherine Hui 7-5 6-2 and Marina Stakusic 6-4 3-6 6-3 to reach the quarter where she will face Katie Boulter.

Draw prediction with head to head records

This is Donna Vekic’s projected draw together withherpresumable opponents in San Diego Open. Donna has a neutral record (1-1) with the plausible opponents.

R1 – Katherine Hui (872) – 7-5 6-2
R2 – Marina Stakusic (283) – 6-4 3-6 6-3
1/4 – Katie Boulter (49) – H2H 0-0
1/2 – Emma Navarro (26) – H2H 1-0
or Daria Saville (148) – H2H 0-1
Fin – Jessica Pegula (5) – H2H 0-1
or Anastasia Pavlyuchenkova (25) – H2H 0-2
Latest Updated
Draw

1/4 – Katie Boulter’s rankings and performance.

Head to head record 0-0

38 - 23win/loss in 2025

Rank
24
High
23
LWWLWWW
Year Total Hard Clay I.hard Grass Carpet
2024 38-23 24-12 3-6 3-2 8-3 0-0
2023 40-20 22-12 1-1 3-3 10-4 4-0
2022 29-18 4-7 0-0 16-7 9-4 0-0
2021 28-15 12-9 5-1 7-3 4-2 0-0
2020 14-8 10-6 1-1 3-1 0-0 0-0
2019 15-11 8-8 0-0 7-3 0-0 0-0
2018 36-24 16-16 0-1 0-0 8-5 12-2
2017 40-23 14-11 0-0 7-2 6-6 13-4

Katie Boulter has a 8-3 win-loss record in 2024, 7-2 on hard. During the previous 12 years, Boulter has a 154-103 record on hard (Click here to see full career record). Boulter won 7 of her last 10 matches.

Last year in San Diego Open the Brit didn’t compete in this tournament.

H2H Donna Vekic vs. Katie Boulter

There is no head to head record between Donna Vekic and Katie Boulter since this would be the first time that they will face off in the main tour.

1/2 – Emma Navarro’s rankings and performance.

Head to head 1-0 for Donna Vekic

54 - 24win/loss in 2025

Rank
8
High
8
LLWWLLW
Year Total Hard Clay I.hard Grass Carpet
2024 54-24 33-14 14-7 0-0 7-3 0-0
2023 64-24 17-9 37-11 3-1 7-3 0-0
2022 31-18 8-8 23-10 0-0 0-0 0-0
2021 19-13 6-6 13-7 0-0 0-0 0-0
2020 2-7 0-4 2-2 0-1 0-0 0-0
2019 10-12 3-4 7-8 0-0 0-0 0-0
2018 19-9 2-3 12-5 5-1 0-0 0-0
2017 4-4 2-2 2-2 0-0 0-0 0-0

Emma Navarro has a 14-4 record in 2024, she played all matches on hard. In the course of the previous 8 years, the American has a 52-40 record on hard (Click here

to see full career record). The American won 7 of her last 10 matches.

Her most significant result of this current year was conquering the competition in Hobart where she defeated Elise Mertens in the final 6-1 4-6 7-5.

Last year in San Diego Open Navarro lost to Sofia Kenin in the semifinal 6-2 5-7 6-4

.

H2H Donna Vekic vs. Emma Navarro

This contest would be 2nd time that Donna Vekic and Emma Navarro fight against each other. The head to head is 1-0 for Vekic (see full H2H stats), 1-0 on hard in major tournaments.

Possibly, Donna Vekic may compete against Daria Saville. Their H2H is 1-0 for Daria Saville.

Final – Jessica Pegula’s rankings and performance.

Head to head 1-0 for Jessica Pegula

39 - 16win/loss in 2025

Rank
7
High
3
LLLWLWW
Year Total Hard Clay I.hard Grass Carpet
2024 39-16 29-9 4-2 0-2 6-3 0-0
2023 59-18 45-12 8-4 0-0 6-2 0-0
2022 42-21 28-15 11-4 1-1 2-1 0-0
2021 39-19 29-12 6-4 0-0 4-3 0-0
2020 17-9 16-7 0-1 1-1 0-0 0-0
2019 25-19 14-10 4-5 4-1 3-3 0-0
2018 50-22 21-9 22-10 7-2 0-1 0-0
2017 12-9 12-6 0-2 0-1 0-0 0-0

Jessica Pegula has a 5-2 win-loss record in 2024, she played all matches on hard. In the previous 16 years, Pegula has a 227-119 record on hard (Click here to see full career record).

Pegula’s most significant result of this season was getting to the semifinal Adelaide.

Last year in San Diego Open Jessica didn’t play in this event.

H2H Donna Vekic vs. Jessica Pegula

This would be the 2nd time that Donna Vekic and Jessica Pegula square off. The head to head is 1-0 for Pegula (see full H2H stats), but they have never played each other on hard in major tournaments.

On the other hand, Donna Vekic could fight against Anastasia Pavlyuchenkova. Their H2H record is 2-0 for Anastasia Pavlyuchenkova.