Singles | |
---|---|
2019 Guzzini Challenger | |
Champion | ![]() |
Runner-up | ![]() |
Score | 6–2, 7–5 |
Daniel Brands was the defending champion but chose not to defend his title. [1]
Egor Gerasimov won the title after defeating Roberto Marcora 6–2, 7–5 in the final.
All seeds receive a bye into the second round.
Quarterfinals | Semifinals | Final | ||||||||||||||||||
![]() | 7 | 65 | 78 | |||||||||||||||||
![]() | 5 | 77 | 66 | |||||||||||||||||
![]() | 4 | 7 | 79 | |||||||||||||||||
15 | ![]() | 6 | 5 | 67 | ||||||||||||||||
15 | ![]() | 6 | 6 | |||||||||||||||||
9 | ![]() | 4 | 1 | |||||||||||||||||
![]() | 2 | 5 | ||||||||||||||||||
10 | ![]() | 6 | 7 | |||||||||||||||||
6 | ![]() | 7 | 6 | |||||||||||||||||
13 | ![]() | 5 | 3 | |||||||||||||||||
6 | ![]() | 3 | 6 | 3 | ||||||||||||||||
10 | ![]() | 6 | 1 | 6 | ||||||||||||||||
10 | ![]() | 6 | 6 | |||||||||||||||||
![]() | 4 | 3 |
First round | Second round | Third round | Quarterfinals | ||||||||||||||||||||||||
1/WC | ![]() | 6 | 6 | ||||||||||||||||||||||||
WC | ![]() | 1 | 2 | ![]() | 1 | 4 | |||||||||||||||||||||
![]() | 6 | 6 | 1/WC | ![]() | 77 | 3 | 4 | ||||||||||||||||||||
![]() | 1 | 6 | 5 | ![]() | 65 | 6 | 6 | ||||||||||||||||||||
![]() | 6 | 4 | 7 | ![]() | 6 | 6 | |||||||||||||||||||||
14 | ![]() | 3 | 4 | ||||||||||||||||||||||||
![]() | 7 | 65 | 78 | ||||||||||||||||||||||||
![]() | 5 | 77 | 66 | ||||||||||||||||||||||||
11 | ![]() | 4 | 3 | ||||||||||||||||||||||||
ITF | ![]() | 3 | 3 | ![]() | 6 | 6 | |||||||||||||||||||||
![]() | 6 | 6 | ![]() | 3 | 77 | 6 | |||||||||||||||||||||
![]() | 3 | 4 | ITF | ![]() | 6 | 64 | 1 | ||||||||||||||||||||
ITF | ![]() | 6 | 6 | ITF | ![]() | 4 | 6 | 6 | |||||||||||||||||||
7 | ![]() | 6 | 3 | 3 |
First round | Second round | Third round | Quarterfinals | ||||||||||||||||||||||||
3 | ![]() | 64 | 2 | ||||||||||||||||||||||||
![]() | 2 | 7 | 6 | ![]() | 77 | 6 | |||||||||||||||||||||
WC | ![]() | 6 | 5 | 2 | ![]() | 3 | 2 | ||||||||||||||||||||
Q | ![]() | 7 | 77 | 15 | ![]() | 6 | 6 | ||||||||||||||||||||
![]() | 5 | 63 | Q | ![]() | 4 | 4 | |||||||||||||||||||||
15 | ![]() | 6 | 6 | ||||||||||||||||||||||||
15 | ![]() | 6 | 6 | ||||||||||||||||||||||||
9 | ![]() | 4 | 1 | ||||||||||||||||||||||||
9 | ![]() | 6 | 6 | ||||||||||||||||||||||||
ITF | ![]() | 4 | 3 | Q | ![]() | 3 | 3 | ||||||||||||||||||||
Q | ![]() | 6 | 6 | 9 | ![]() | 6 | 6 | ||||||||||||||||||||
![]() | 6 | 77 | ![]() | 4 | 1 | ||||||||||||||||||||||
WC | ![]() | 3 | 64 | ![]() | 6 | 5 | 6 | ||||||||||||||||||||
5 | ![]() | 4 | 7 | 4 |
First round | Second round | Third round | Quarterfinals | ||||||||||||||||||||||||
6 | ![]() | 6 | 6 | ||||||||||||||||||||||||
![]() | 64 | 4 | ![]() | 2 | 4 | ||||||||||||||||||||||
![]() | 77 | 6 | 6 | ![]() | 78 | 4 | 6 | ||||||||||||||||||||
ITF | ![]() | 2 | 5 | 12 | ![]() | 66 | 6 | 3 | |||||||||||||||||||
![]() | 6 | 7 | ![]() | 4 | 4r | ||||||||||||||||||||||
12 | ![]() | 6 | 3 | ||||||||||||||||||||||||
6 | ![]() | 7 | 6 | ||||||||||||||||||||||||
13 | ![]() | 5 | 3 | ||||||||||||||||||||||||
13 | ![]() | 77 | 6 | ||||||||||||||||||||||||
![]() | 6 | 1 | 6 | ![]() | 64 | 4 | |||||||||||||||||||||
![]() | 4 | 6 | 4 | 13 | ![]() | 5 | 6 | 6 | |||||||||||||||||||
![]() | 2 | 77 | 6 | 4 | ![]() | 7 | 3 | 3 | |||||||||||||||||||
![]() | 6 | 65 | 4 | ![]() | 64 | 6 | 5 | ||||||||||||||||||||
4 | ![]() | 77 | 3 | 7 |
First round | Second round | Third round | Quarterfinals | ||||||||||||||||||||||||
8 | ![]() | 3 | 78 | 2 | |||||||||||||||||||||||
![]() | 6 | 7 | ![]() | 6 | 66 | 6 | |||||||||||||||||||||
Alt | ![]() | 4 | 5 | ![]() | 1 | 6 | 3 | ||||||||||||||||||||
![]() | 3 | 65 | 10 | ![]() | 6 | 3 | 6 | ||||||||||||||||||||
![]() | 6 | 77 | ![]() | 5 | 65 | ||||||||||||||||||||||
10 | ![]() | 7 | 77 | ||||||||||||||||||||||||
10 | ![]() | 6 | 6 | ||||||||||||||||||||||||
![]() | 4 | 3 | |||||||||||||||||||||||||
16 | ![]() | 2 | 4 | ||||||||||||||||||||||||
![]() | 6 | 6 | ![]() | 6 | 6 | ||||||||||||||||||||||
WC | ![]() | 0 | 2 | ![]() | 0 | 2 | |||||||||||||||||||||
![]() | 5 | 3 | ![]() | 6 | 6 | ||||||||||||||||||||||
![]() | 7 | 6 | ![]() | 6 | 6 | ||||||||||||||||||||||
2 | ![]() | 3 | 4 |
Marin Čilić was the defending champion but chose not to compete.
Martin Kližan won his first ATP World Tour title by defeating Fabio Fognini in the final, 6–2, 6–3.
Radu Albot was the defending champion but decided to participate at the 2014 Košice Open instead.
Illya Marchenko was the defending champion but chose not to defend his title.
Evgeny Donskoy was the defending champion but lost in the quarterfinals to Egor Gerasimov.
Damir Džumhur was the defending champion, but lost to Egor Gerasimov in the first round.
Quentin Halys was the defending champion but lost in the second round to Dan Evans.
Mirza Bašić was the defending champion but lost in the first round to Martin Kližan.
Marco Cecchinato was the defending champion, but withdrew due to illness.
João Sousa was the defending champion, but lost in the second round to David Goffin.
Yannick Hanfmann was the defending champion but chose not to defend his title.
Luca Vanni was the defending champion but chose not to defend his title.
Sebastian Ofner was the defending champion but lost in the third round to Aleksandar Vukic.
Fabio Fognini was the defending champion, but lost in the quarterfinals to Taylor Fritz.
Thanasi Kokkinakis was the defending champion but lost in the second round to Egor Gerasimov.
Karen Khachanov was the defending champion, but lost in the quarterfinals to Andreas Seppi.
Alexander Bublik was the defending champion but chose not to defend his title.
Stefanos Tsitsipas was the defending champion and successfully defended his title, defeating Félix Auger-Aliassime in the final, 6–3, 6–4.
Jannik Sinner was the defending champion and successfully defended his title, defeating Gaël Monfils in the final, 6–3, 6–4.
Tommy Paul defeated defending champion Denis Shapovalov in the final, 6–4, 2–6, 6–4, to win the singles tennis title at the 2021 Stockholm Open. It was Paul's first ATP Tour title.
Félix Auger-Aliassime defeated Stefanos Tsitsipas in the final, 6–4, 6–2. It was his maiden ATP Tour singles title, following eight runner-up finishes in prior finals.