2025 Busan Open
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The 2025 Busan Open was a professional tennis tournament played on hardcourts. It was the 22nd edition of the tournament which was part of the 2025 ATP Challenger Tour. It took place in Busan, South Korea between 14 and 20 April 2025.
Singles main-draw entrants
Seeds
| Country | Player | Rank1 | Seed |
|---|---|---|---|
| AUS | Adam Walton | 86 | 1 |
| USA | Christopher Eubanks | 110 | 2 |
| USA | Brandon Holt | 114 | 3 |
| AUS | Tristan Schoolkate | 119 | 4 |
| JPN | Yasutaka Uchiyama | 157 | 5 |
| AUS | Li Tu | 174 | 6 |
| JPN | James Trotter | 175 | 7 |
| FRA | Térence Atmane | 177 | 8 |
* 1 Rankings as of 7 April 2025.
Other entrants
The following players received wildcards into the singles main draw:
- South Korea Gerard Campaña Lee
- South Korea Chung Hyeon
- South Korea Kwon Soon-woo
The following player received entry into the singles main draw using a protected ranking:
The following players received entry from the qualifying draw:
- Norway Viktor Durasovic
- United Kingdom Johannus Monday
- Germany Mats Rosenkranz
- Marat Sharipov
- South Korea Shin San-hui
- Ilia Simakin
Champions
Singles
- France Térence Atmane def. Australia Adam Walton 6–3, 6–4.
Doubles
- Japan Rio Noguchi / Japan Yuta Shimizu def. Chinese Taipei Ray Ho / Australia Matthew Romios 7–6(9–7), 6–4.