2026 San Diego Open
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| 2026 San Diego Open | |
|---|---|
| Date | 27 January – 1 February |
| Edition | 2nd |
| Surface | Hard |
| Location | San Diego, United States |
| Champions | |
| Men's singles | |
 Zachary Svajda | |
| Women's singles | |
| Elvina Kalieva | |
| Men's doubles | |
| Trey Hilderbrand / Mac Kiger | |
| Women's doubles | |
 Kayla Cross / Alana Smith | |
The 2026 Better Buzz Coffee San Diego Open was a professional tennis tournament played on hardcourts. It was the second edition of the tournament as an ATP Challenger Tour event which was part of the 2026 ATP Challenger Tour. It was also the first edition of the tournament as part of the 2026 ITF Women's World Tennis Tour. It took place in San Diego, United States from 27 January to 1 February 2026.
Seeds
| Country | Player | Rank1 | Seed |
|---|---|---|---|
| USA |
Sebastian Korda | 53 | 1 |
 AUS |
Rinky Hijikata | 114 | 2 |
| USA |
Patrick Kypson | 116 | 3 |
| USA |
Zachary Svajda | 143 | 4 |
 JPN |
Sho Shimabukuro | 144 | 5 |
| CAN |
Liam Draxl | 145 | 6 |
| USA |
Colton Smith | 148 | 7 |
| USA |
Tristan Boyer | 181 | 8 |
- 1 Rankings are as of 19 January 2026.[1]
Other entrants
The following players received wildcards into the singles main draw:
The following players received entry into the singles main draw as alternates:
Blaise Bicknell
Micah Braswell
Raphael Perot- Keegan Smith
The following players received entry from the qualifying draw:
Bor Artnak- Felix Corwin
- Stefan Dostanic
Fryderyk Lechno-Wasiutyński- Karl Poling
- Evan Zhu
