ATP 250 · 2021-04-19 · draw of 28
Serbia 2021
ClayFinal
| 🇮🇹 Matteo Berrettini | d. | 🇷🇺 Aslan Karatsev | 6-1 3-6 7-6(0) | H2H |
Semifinals
| 🇮🇹 Matteo Berrettini | d. | 🇯🇵 Taro Daniel | 6-1 6-7(5) 6-0 | H2H |
| 🇷🇺 Aslan Karatsev | d. | 🇷🇸 Novak Djokovic | 7-5 4-6 6-4 | H2H |
Quarterfinals
| 🇷🇸 Novak Djokovic | d. | 🇷🇸 Miomir Kecmanovic | 6-1 6-3 | H2H |
| 🇮🇹 Matteo Berrettini | d. | 🇷🇸 Filip Krajinovic | 6-4 6-4 | H2H |
| 🇷🇺 Aslan Karatsev | d. | 🇮🇹 Gianluca Mager | 6-3 6-4 | H2H |
| 🇯🇵 Taro Daniel | d. | 🇦🇷 Federico Delbonis | 4-6 6-1 7-5 | H2H |
Round of 16
| 🇷🇸 Novak Djokovic | d. | 🇰🇷 Soonwoo Kwon | 6-1 6-3 | H2H |
| 🇮🇹 Matteo Berrettini | d. | 🇮🇹 Marco Cecchinato | 6-4 6-3 | H2H |
| 🇷🇺 Aslan Karatsev | d. | 🇸🇮 Aljaz Bedene | 6-3 4-6 7-6(5) | H2H |
| 🇦🇷 Federico Delbonis | d. | 🇷🇸 Dusan Lajovic | 6-3 2-6 6-4 | H2H |
| 🇷🇸 Filip Krajinovic | d. | 🇷🇸 Nikola Milojevic | 6-1 6-1 | H2H |
| 🇯🇵 Taro Daniel | d. | 🇦🇺 John Millman | 3-6 6-2 6-3 | H2H |
| 🇷🇸 Miomir Kecmanovic | d. | 🇫🇷 Arthur Rinderknech | 6-3 3-6 6-3 | H2H |
| 🇮🇹 Gianluca Mager | d. | 🇦🇺 Alexei Popyrin | 7-5 6-2 | H2H |
Round of 32
| 🇷🇸 Filip Krajinovic | d. | 🇮🇹 Stefano Travaglia | 7-5 5-7 6-3 | H2H |
| 🇦🇺 John Millman | d. | 🇷🇸 Danilo Petrovic | 7-5 6-4 | H2H |
| 🇷🇸 Miomir Kecmanovic | d. | 🇦🇷 Facundo Bagnis | 7-6(5) 7-6(4) | H2H |
| 🇮🇹 Gianluca Mager | d. | 🇷🇸 Laslo Djere | 6-4 6-3 | H2H |
| 🇸🇮 Aljaz Bedene | d. | 🇺🇸 Sebastian Korda | 7-5 1-6 7-6(5) | H2H |
| 🇮🇹 Marco Cecchinato | d. | 🇷🇸 Viktor Troicki | 6-1 6-4 | H2H |
| 🇯🇵 Taro Daniel | d. | 🇵🇹 Joao Sousa | 7-5 6-3 | H2H |
| 🇦🇷 Federico Delbonis | d. | 🇱🇹 Ricardas Berankis | 6-4 3-6 6-1 | H2H |
| 🇰🇷 Soonwoo Kwon | d. | 🇪🇸 Roberto Carballes Baena | 6-3 7-5 | H2H |
| 🇷🇸 Nikola Milojevic | d. | 🇦🇷 Federico Coria | 6-4 6-0 | H2H |
| 🇦🇺 Alexei Popyrin | d. | 🇦🇷 Francisco Cerundolo | 4-6 7-6(5) 7-6(6) | H2H |
| 🇫🇷 Arthur Rinderknech | d. | 🇦🇷 Juan Ignacio Londero | 6-1 7-5 | H2H |