| Men's singles | |
|---|---|
| 2023 Advantage Cars Prague Open | |
| Champion |  Dominic Stricker |
| Runner-up |  Sebastian Ofner |
| Score | 7–6(9–7), 6–3 |
Pedro Cachin was the defending champion [1] but chose not to defend his title.
Dominic Stricker won the title after defeating Sebastian Ofner 7–6(9–7), 6–3 in the final.
Filip Krajinović (semifinals)
Radu Albot (first round)
Juan Manuel Cerúndolo (first round)
Hugo Gaston (first round)
Zsombor Piros (first round, retired)
Tomáš Macháč (second round) Dominic Stricker (champion) Sebastian Ofner (final)| Semifinals | Final | ||||||||||||
| 1 | Filip Krajinović | 5 | 7 | 3 | |||||||||
| 7 | Dominic Stricker | 7 | 5 | 6 | |||||||||
| 7 | Dominic Stricker | 79 | 6 | ||||||||||
| 8 | Sebastian Ofner | 67 | 3 | ||||||||||
 Lukáš Klein | 64 | 6 | 3 | ||||||||||
| 8 | Sebastian Ofner | 77 | 0 | 6 | |||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | F Krajinović | 6 | 4 | 6 | |||||||||||||||||||||||
| Q |  J Choinski | 4 | 6 | 2 | 1 | F Krajinović | 6 | 4 | 6 | ||||||||||||||||||
| Q |  F Gaio | 6 | 77 | Q | F Gaio | 2 | 6 | 4 | |||||||||||||||||||
| Q |  D Kuzmanov | 4 | 65 | 1 | F Krajinović | 6 | 6 | ||||||||||||||||||||
| Q | F Delbonis | 1 | 4 |  D Koepfer | 1 | 2 | |||||||||||||||||||||
| D Koepfer | 6 | 6 | D Koepfer | 6 | 3 | 6 | |||||||||||||||||||||
| N Gombos | 2 | N Gombos | 2 | 6 | 3 | ||||||||||||||||||||||
| 5 | Z Piros | 2r | 1 | F Krajinović | 5 | 7 | 3 | ||||||||||||||||||||
| 3 | JM Cerúndolo | 3 | 1 | 7 | D Stricker | 7 | 5 | 6 | |||||||||||||||||||
| WC | D Svrčina | 6 | 6 | WC | D Svrčina | 6 | 3 | 6 | |||||||||||||||||||
| R Peniston | 6 | 5 | 1 | WC | A Paulson | 1 | 6 | 0 | |||||||||||||||||||
| WC | A Paulson | 2 | 7 | 6 | WC | D Svrčina | 6 | 1 | 3 | ||||||||||||||||||
| Alt |  F Meligeni Alves | 6 | 3 | 7 | D Stricker | 4 | 6 | 6 | |||||||||||||||||||
 P Martínez | 2 | 0r | Alt | F Meligeni Alves | 77 | 2 | 4 | ||||||||||||||||||||
| WC |  K Ivanovski | 2 | 2 | 7 | D Stricker | 65 | 6 | 6 | |||||||||||||||||||
| 7 | D Stricker | 6 | 6 | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 6 | T Macháč | 6 | 6 | ||||||||||||||||||||||||
| Q | P Llamas Ruiz | 1 | 1 | 6 | T Macháč | 5 | 3 | ||||||||||||||||||||
| A Bellier | 6 | 3 | 65 | SE | Z Kolář | 7 | 6 | ||||||||||||||||||||
| SE | Z Kolář | 3 | 6 | 77 | SE | Z Kolář | 3 | 5 | |||||||||||||||||||
| L Klein | 6 | 1 | 6 | L Klein | 6 | 7 | |||||||||||||||||||||
| SE | M Valkusz | 4 | 6 | 1 | L Klein | 6 | 78 | ||||||||||||||||||||
| F Agamenone | 7 | 7 | F Agamenone | 3 | 66 | ||||||||||||||||||||||
| 4 | H Gaston | 5 | 5 | L Klein | 64 | 6 | 3 | ||||||||||||||||||||
| 8 | S Ofner | 6 | 65 | 6 | 8 | S Ofner | 77 | 0 | 6 | ||||||||||||||||||
 Y Demin | 4 | 77 | 1 | 8 | S Ofner | 6 | 6 | ||||||||||||||||||||
 J Sels | 2 | 77 | 1 | C Ugo Carabelli | 4 | 2 | |||||||||||||||||||||
| C Ugo Carabelli | 6 | 64 | 6 | 8 | S Ofner | 6 | 7 | ||||||||||||||||||||
| Q |  V Sachko | 7 | 5 | 2 |  T Barrios Vera | 2 | 5 | ||||||||||||||||||||
| V Kopřiva | 5 | 7 | 6 | V Kopřiva | 2 | 7 | 67 | ||||||||||||||||||||
| T Barrios Vera | 6 | 6 | T Barrios Vera | 6 | 5 | 79 | |||||||||||||||||||||
| 2 | R Albot | 3 | 3 | ||||||||||||||||||||||||
Jack Sock was the defending champion, but participated in the men's main draw, as he was ineligible to defend his title.
Gastão Elias was the defending champion but chose not to defend his title.
Richard Gasquet was the defending champion but withdrew before the tournament began.
Dominic Thiem was the defending champion, but lost in the quarterfinals to Fernando Verdasco.
Pablo Cuevas was the three-time defending champion, but lost in the semifinals to Fabio Fognini.
Egor Gerasimov was the defending champion but lost in the second round to Jurij Rodionov.
Sebastian Ofner was the defending champion but lost in the third round to Aleksandar Vukic.
Nikoloz Basilashvili was the defending champion and successfully defended his title, defeating Andrey Rublev in the final, 7–5, 4–6, 6–3. En route to doing so, Basilashvili saved two match points against Alexander Zverev in the semifinals.
Matheus Pucinelli de Almeida and Thiago Agustín Tirante were the defending champions, but both players were no longer eligible to participate in junior events.
Matteo Berrettini defeated Cameron Norrie in the final, 6–4, 6–7(5–7), 6–3, to win the singles tennis title at the 2021 Queen's Club Championships. Berrettini's win earned him his fourth career ATP Tour singles title, his first ATP 500 victory, and also made him the first player to win the tournament on their main draw debut since Boris Becker in 1985. Norrie was contesting for his first title in his fourth career final.
Kevin Anderson defeated Jenson Brooksby in the final, 7–6(10–8), 6–4, to win the singles tennis title at the 2021 Hall of Fame Open. It was played on outdoor grass courts and was part of the 250 series of the 2021 ATP Tour. It took place at the International Tennis Hall of Fame in Newport, Rhode Island, United States from 12 to 18 July 2021.
Sebastian Ofner was the defending champion but chose not to defend his title.
Matteo Berrettini defeated Andy Murray in the final, 6–4, 5–7, 6–3 to win the singles tennis title at the 2022 Stuttgart Open.
Félix Auger-Aliassime defeated Sebastian Korda in the final, 6–3, 6–4 to win the singles tennis title at the 2022 European Open. It was his second title in as many weeks and third career ATP Tour singles title overall.
Evgenii Tiurnev was the defending champion but chose not to defend his title.
Pedro Cachin was the defending champion but lost in the final to Alexander Shevchenko.
Jurij Rodionov was the defending champion but chose not to defend his title.
Sebastian Ofner was the defending champion but chose not to defend his title.
Novak Djokovic defeated Casper Ruud in the final, 7–6(7–1), 6–3, 7–5 to win the men's singles tennis title at the 2023 French Open. It was his third French Open title and his record-breaking 23rd men's singles major title overall, surpassing the record he previously held jointly with Rafael Nadal. With the victory, Djokovic became the first man to achieve a triple career Grand Slam, and became the oldest French Open champion at the age of 36 years and 20 days.
Zizou Bergs was the defending champion but lost in the second round to Denis Kudla.