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.

Men's singles main-draw entrants Seeds Country Player Rank1 SeedSebastian Korda531Rinky Hijikata1142Patrick Kypson1163Zachary Svajda1434Sho Shimabukuro1445Liam Draxl1456Colton Smith1487Tristan Boyer1818 1 Rankings are as of 19 January 2026.

Other entrants The following players received wildcards into the singles main draw: Sebastian Korda Colton Smith

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

Women's singles main draw entrants

Seeds Country Player Rank1 SeedLouisa Chirico1781Elizabeth Mandlik1822Cadence Brace1873Kayla Cross2004Elvina Kalieva2075Mary Stoiana2226Arianne Hartono2567Kayla Day2578 1 Rankings are as of 19 January 2026.

Other entrants The following players received wildcards into the singles main draw: Jennifer Brady Katherine Hui Alexis Nguyen

The following player received entry into the singles main draw using a special ranking: Kayla Day Catherine Harrison

The following players received entry from the qualifying draw: Ema Burgić Jo-yee Chan Kylie Collins Gina Feistel Lina Glushko Kristina Liutova Ava Markham Ella McDonald

Champions Men's singles

Zachary Svajda def. Sebastian Korda 6–4, 7–6(7–5).

Men's doubles

Trey Hilderbrand / Mac Kiger def. Garrett Johns / Karl Poling 6–3, 6–4.

Women's singles Elvina Kalieva def. Elizabeth Mandlik 3–6, 6–3, 6–1.

Women's doubles Kayla Cross / Alana Smith def. Catherine Harrison / Dalayna Hewitt 6–2, 6–3.

References