Busan challenger · ATP
Busan challenger 2023
ChallengerHardBusan, South Korea7 May – 14 May 2023Prize money: 160,000 USD49 matchesAltitude: 16 mCourt: Medium-fast
Champion Aleksandar Vukic · Final: 6-7(4) 7-6(3) 6-4
Final rounds
| Final | Aleksandar Vukic vs Max Purcell | 6-4 1-0 ret. |
| Semifinal | Max Purcell vs Gabriel Diallo | 6-4 7-5 |
| Semifinal | Aleksandar Vukic vs Brandon Holt | 7-6(4) 6-1 |
| Quarterfinal | Gabriel Diallo vs Jordan Thompson | 6-3 7-5 |
| Quarterfinal | Max Purcell vs Yasutaka Uchiyama | 6-4 7-5 |
| Quarterfinal | Brandon Holt vs Li Tu | 6-4 6-4 |
| Quarterfinal | Aleksandar Vukic vs Christopher Eubanks | 6-7(4) 7-6(3) 6-4 |
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