ATP - Belgrade 2 - 1R complete

First round completed in Belgrade.

2021 Belgrade Open - an ATP 250 tournament, on Clay, in Belgrade, Serbia, 23-29 May 2021.

No defending champion:

This is a new tournament on the ATP calendar.

The following players withdrew after the main draw was published:

Pablo Andujar due to an abductor injury, and replaced by alternate Federico Coria.

Laslo Djere due to illness, and replaced by lucky loser Mats Moraing

Sixth seed Filip Krajinovic due to illness, and replaced by lucky loser Lukas Klein

First round results:

- Lucky loser Mats Moraing defeated Egor Gerasimov 4-6 7-6(7) 7-5

- Pablo Cuevas defeated Miomir Kecmanovic (7) 6-3 6-2

- Qualifier Andrej Martin defeated qualifier Christopher O’Connell 3-6 7-6(7) 7-5

- Dusan Lajovic (5) defeated Ricardas Berankis 6-3 6-3

- Qualifier Alex Molcan defeated wildcard Hamad Medjedovic 6-4 6-3

- Fernando Verdasco defeated Lucas Pouille 7-5 6-2

- Federico Delbonis (8) defeated lucky loser Lukas Klein 3-6 6-3 6-4

- Thiago Monteiro defeated Radu Albot 6-2 6-2

- Qualifier Roberto Carballes Baena defeated Arthur Rinderknech 6-0 6-4