Koblenz challenger · ATP
Koblenz challenger 2023
ChallengerHard indoorKoblenz, Germany29 January – 5 February 2023Prize money: 118,000 EUR49 matchesAltitude: 76 mCourt: Medium
Champion Roman Safiullin · Final: 7-6(5) 4-6 7-6(3)
Final rounds
| Final | Roman Safiullin vs Vasek Pospisil | 6-2 7-5 |
| Semifinal | Roman Safiullin vs Raphael Collignon | 5-7 6-3 6-0 |
| Semifinal | Vasek Pospisil vs Zdenek Kolar | 6-1 6-3 |
| Quarterfinal | Raphael Collignon vs Maximilian Marterer | 5-2 ret. |
| Quarterfinal | Roman Safiullin vs Alexey Vatutin | 6-3 1-6 6-2 |
| Quarterfinal | Vasek Pospisil vs Louis Wessels | 6-4 6-2 |
| Quarterfinal | Zdenek Kolar vs Alexandre Muller | 7-6(5) 4-6 7-6(3) |
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