| Singles | |
|---|---|
| 2025 Nonthaburi Challenger III | |
| Champion |  Brandon Holt |
| Runner-up |  Vít Kopřiva |
| Score | 6–3, 6–2 |
Rio Noguchi was the defending champion [1] but lost in the second round to Murphy Cassone.
Brandon Holt won the title after defeating Vít Kopřiva 6–3, 6–2 in the final. [2]
Vít Kopřiva (final)
Hugo Grenier (quarterfinals)
Valentin Vacherot (first round) Zachary Svajda (quarterfinals)
Shintaro Mochizuki (second round)
Coleman Wong (second round)
Henri Squire (second round)
Dmitry Popko (first round)| Semifinals | Final | ||||||||||||
| 1 | Vít Kopřiva | 6 | 6 | ||||||||||
| Q | Murphy Cassone | 2 | 2 | ||||||||||
| 1 | Vít Kopřiva | 3 | 2 | ||||||||||
| Brandon Holt | 6 | 6 | |||||||||||
| Brandon Holt | 6 | 6 | |||||||||||
| Q | Clément Tabur | 2 | 4 | ||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | V Kopřiva | 6 | 6 | ||||||||||||||||||||||||
 N Hardt | 4 | 1 | 1 | V Kopřiva | 6 | 77 | |||||||||||||||||||||
 FC Jianu | 2 | 2 | Alt |  T-l Wu | 4 | 64 | |||||||||||||||||||||
| Alt | T-l Wu | 6 | 6 | 1 | V Kopřiva | 6 | 6 | ||||||||||||||||||||
| E Couacaud | 3 | 2 | D Svrčina | 0 | 1 | ||||||||||||||||||||||
| D Svrčina | 6 | 6 | D Svrčina | 6 | 64 | 6 | |||||||||||||||||||||
| WC |  Maximus Jones | 60 | 0r | 7 | H Squire | 4 | 77 | 1 | |||||||||||||||||||
| 7 | H Squire | 77 | 0 | 1 | V Kopřiva | 6 | 6 | ||||||||||||||||||||
| 3 | V Vacherot | 1 | 6 | 62 | Q | M Cassone | 2 | 2 | |||||||||||||||||||
| Q | M Cassone | 6 | 4 | 77 | Q | M Cassone | 6 | 6 | |||||||||||||||||||
| T Skatov | 1 | 3 | Q | R Noguchi | 3 | 4 | |||||||||||||||||||||
| Q | R Noguchi | 6 | 6 | Q | M Cassone | 6 | 6 | ||||||||||||||||||||
| S Shimabukuro | 2 | 6 | 6 | Alt |  F Arnaboldi | 4 | 1 | ||||||||||||||||||||
| A Escoffier | 6 | 2 | 1 | S Shimabukuro | 6 | 64 | 4 | ||||||||||||||||||||
| Alt | F Arnaboldi | 6 | 2 | 6 | Alt | F Arnaboldi | 1 | 77 | 6 | ||||||||||||||||||
| 8 | D Popko | 1 | 6 | 1 | |||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 6 | C Wong | 77 | 77 | ||||||||||||||||||||||||
 B Hassan | 62 | 64 | 6 | C Wong | 4 | 1 | |||||||||||||||||||||
| B Holt | 6 | 6 | B Holt | 6 | 6 | ||||||||||||||||||||||
| WC | W Trongcharoenchaikul | 3 | 3 | B Holt | 67 | 6 | 6 | ||||||||||||||||||||
 K Sultanov | 4 | 6 | 3 | 4 | Z Svajda | 79 | 3 | 4 | |||||||||||||||||||
| Y Shimizu | 6 | 3 | 6 | Y Shimizu | 6 | 3 | 2 | ||||||||||||||||||||
| Q |  F Sun | 3 | 2 | 4 | Z Svajda | 4 | 6 | 6 | |||||||||||||||||||
| 4 | Z Svajda | 6 | 6 | B Holt | 6 | 6 | |||||||||||||||||||||
| 5/Alt | S Mochizuki | 77 | 7 | Q | C Tabur | 2 | 4 | ||||||||||||||||||||
| Q |  R Bertola | 60 | 5 | 5/Alt | S Mochizuki | 2 | 4 | ||||||||||||||||||||
| Q | C Tabur | 6 | 6 | Q | C Tabur | 6 | 6 | ||||||||||||||||||||
| Q | F Maestrelli | 2 | 1 | Q | C Tabur | 7 | 6 | ||||||||||||||||||||
 L Neumayer | 6 | 4 | 2 | 2 | H Grenier | 5 | 4 | ||||||||||||||||||||
| E Spizzirri | 3 | 6 | 6 | E Spizzirri | 4 | 4 | |||||||||||||||||||||
| WC | Thanapet Chanta | 2 | 0 | 2 | H Grenier | 6 | 6 | ||||||||||||||||||||
| 2 | H Grenier | 6 | 6 | ||||||||||||||||||||||||
This was the first edition of the tournament.
João Sousa defeated Emil Ruusuvuori in the final, 7–6(11–9), 4–6, 6–1 to win the singles title at the 2022 Tata Open Maharashtra. Sousa saved three match points against Elias Ymer in the semifinals. This was his first title since 2018.
Gastão Elias was the defending champion and successfully defended his title, defeating Nino Serdarušić 6–3, 6–4 in the final.
David Goffin defeated Alex Molčan in the final, 3–6, 6–3, 6–3 to win the singles tennis title at the 2022 Grand Prix Hassan II. It was Goffin's sixth ATP singles title.
The men's singles of the 2022 I.ČLTK Prague Open tournament took place on clay in Prague, Czech Republic.
Roberto Bautista Agut defeated Filip Misolic in the final, 6–2, 6–2 to win the singles tennis title at the 2022 Generali Open Kitzbühel.
Holger Rune defeated Stefanos Tsitsipas in the final, 6–4, 6–4 to win the singles tennis title at the 2022 Stockholm Open. It was his second career ATP Tour singles title.
Evan Furness was the defending champion but retired from his first round match against Gaël Monfils.
Juan Manuel Cerúndolo was the defending champion but lost in the quarterfinals to Luciano Darderi.
Mariano Navone was the defending champion and successfully defended his title after defeating Andrea Pellegrino 3–6, 6–2, 6–3 in the final.
Grégoire Barrère was the defending champion but lost in the first round to Otto Virtanen.
Alexander Shevchenko was the defending champion but chose not to defend his title.
Dalibor Svrčina was the defending champion but lost in the second round to Lukas Neumayer.
Sebastian Ofner was the defending champion but chose not to defend his title.
Vít Kopřiva was the defending champion but chose not to defend his title.
Jesper de Jong was the defending champion but chose not to defend his title.
Vít Kopřiva was the defending champion but lost in the first round to Jan Choinski.
Federico Coria was the defending champion but lost in the semifinals to Vít Kopřiva.
Oriol Roca Batalla was the defending champion but withdrew from the tournament before his first round match.
Juan Manuel Cerúndolo was the defending champion but lost in the semifinals to Vít Kopřiva.