ATP 250 · 2021-05-20 · draw of 28
Belgrade 2021
ClayFinal
| 🇷🇸 Novak Djokovic | d. | 🇸🇰 Alex Molcan | 6-4 6-3 | H2H |
Semifinals
| 🇸🇰 Alex Molcan | d. | 🇦🇷 Federico Delbonis | 4-6 6-4 6-4 | H2H |
| 🇷🇸 Novak Djokovic | d. | 🇸🇰 Andrej Martin | 6-1 4-6 6-0 | H2H |
Quarterfinals
| 🇸🇰 Alex Molcan | d. | 🇪🇸 Fernando Verdasco | 6-2 6-0 | H2H |
| 🇦🇷 Federico Delbonis | d. | 🇪🇸 Roberto Carballes Baena | W/O | H2H |
| 🇸🇰 Andrej Martin | d. | 🇷🇸 Dusan Lajovic | 3-6 6-3 6-4 | H2H |
| 🇷🇸 Novak Djokovic | d. | 🇦🇷 Federico Coria | 6-1 6-0 | H2H |
Round of 16
| 🇸🇰 Alex Molcan | d. | 🇷🇸 Pedja Krstin | 6-0 6-0 | H2H |
| 🇦🇷 Federico Coria | d. | 🇺🇾 Pablo Cuevas | 6-3 6-2 | H2H |
| 🇦🇷 Federico Delbonis | d. | 🇧🇷 Thiago Monteiro | 7-6(6) 3-6 6-4 | H2H |
| 🇷🇸 Dusan Lajovic | d. | 🇫🇷 Jeremy Chardy | 6-3 6-4 | H2H |
| 🇪🇸 Fernando Verdasco | d. | 🇫🇷 Adrian Mannarino | 7-6(4) 6-0 | H2H |
| 🇸🇰 Andrej Martin | d. | 🇬🇪 Nikoloz Basilashvili | 6-1 4-6 7-6(4) | H2H |
| 🇪🇸 Roberto Carballes Baena | d. | 🇫🇷 Gael Monfils | 6-1 3-6 7-6(4) | H2H |
| 🇷🇸 Novak Djokovic | d. | 🇩🇪 Mats Moraing | 6-2 7-6(4) | H2H |
Round of 32
| 🇪🇸 Fernando Verdasco | d. | 🇫🇷 Lucas Pouille | 7-5 6-2 | H2H |
| 🇩🇪 Mats Moraing | d. | 🇧🇾 Egor Gerasimov | 4-6 7-6(7) 7-5 | H2H |
| 🇧🇷 Thiago Monteiro | d. | 🇲🇩 Radu Albot | 6-2 6-2 | H2H |
| 🇸🇰 Alex Molcan | d. | 🇷🇸 Hamad Medjedovic | 6-4 6-3 | H2H |
| 🇸🇰 Andrej Martin | d. | 🇦🇺 Christopher O'Connell | 3-6 7-6(7) 7-5 | H2H |
| 🇷🇸 Pedja Krstin | d. | 🇰🇷 Soonwoo Kwon | 6-2 3-6 6-1 | H2H |
| 🇦🇷 Federico Coria | d. | 🇩🇪 Marko Topo | 4-6 6-2 6-0 | H2H |
| 🇫🇷 Jeremy Chardy | d. | 🇺🇸 Tennys Sandgren | 6-4 6-2 | H2H |
| 🇪🇸 Roberto Carballes Baena | d. | 🇫🇷 Arthur Rinderknech | 6-0 6-4 | H2H |
| 🇦🇷 Federico Delbonis | d. | 🇸🇰 Lukas Klein | 3-6 6-3 6-4 | H2H |
| 🇺🇾 Pablo Cuevas | d. | 🇷🇸 Miomir Kecmanovic | 6-3 6-2 | H2H |
| 🇷🇸 Dusan Lajovic | d. | 🇱🇹 Ricardas Berankis | 6-3 6-3 | H2H |