| Men's singles | |
|---|---|
| 2017 Dunlop World Challenge | |
| Champion |  Matthew Ebden |
| Runner-up |  Calvin Hemery |
| Final score | 7–6(7–3), 6–3 |
James Duckworth was the defending champion but chose not to defend his title.
Matthew Ebden won the title after defeating Calvin Hemery 7–6(7–3), 6–3 in the final.
Taro Daniel (first round) Matthew Ebden (champion) Tatsuma Ito (quarterfinals, retired) Go Soeda (second round) John Millman (semifinals)
Kwon Soon-woo (second round) Calvin Hemery (final) Lee Duck-hee (quarterfinals)| Semifinals | Final | ||||||||||||
| 7 | Calvin Hemery | 77 | 64 | 6 | |||||||||
| 5 | John Millman | 64 | 77 | 2 | |||||||||
| 7 | Calvin Hemery | 63 | 3 | ||||||||||
| 2 | Matthew Ebden | 77 | 6 | ||||||||||
 Hubert Hurkacz | 6 | 4 | 62 | ||||||||||
| 2 | Matthew Ebden | 4 | 6 | 77 | |||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | T Daniel | 3 | 64 | ||||||||||||||||||||||||
| WC | Shintaro Imai | 6 | 77 | WC | S Imai | 3 | 3 | ||||||||||||||||||||
| A Whittington | 6 | 6 | A Whittington | 6 | 6 | ||||||||||||||||||||||
| H Moriya | 3 | 4 | A Whittington | 6 | 3 | 5 | |||||||||||||||||||||
| O Jasika | 6 | 4 | 4 | 7 | C Hemery | 3 | 6 | 7 | |||||||||||||||||||
| B Mousley | 4 | 6 | 6 | B Mousley | 63 | 1 | |||||||||||||||||||||
| A Bolt | 4 | 64 | 7 | C Hemery | 77 | 6 | |||||||||||||||||||||
| 7 | C Hemery | 6 | 77 | 7 | C Hemery | 77 | 64 | 6 | |||||||||||||||||||
| 4 | G Soeda | 77 | 6 | 5 | J Millman | 64 | 77 | 2 | |||||||||||||||||||
 E Leshem | 61 | 4 | 4 | G Soeda | 2 | 66 | |||||||||||||||||||||
 J Jung | 4 | 6 | 2 | M Purcell | 6 | 78 | |||||||||||||||||||||
| M Purcell | 6 | 3 | 6 | M Purcell | 5 | 2 | |||||||||||||||||||||
| Yo Watanuki | 4 | 4 | 5 | J Millman | 7 | 6 | |||||||||||||||||||||
| Y Uchiyama | 6 | 6 | Y Uchiyama | 65 | 713 | 69 | |||||||||||||||||||||
| WC | Yuga Tashiro | 3 | 2 | 5 | J Millman | 77 | 611 | 711 | |||||||||||||||||||
| 5 | J Millman | 6 | 6 | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 6 | S-w Kwon | 77 | 6 | ||||||||||||||||||||||||
 A Krajicek | 61 | 4 | 6 | S-w Kwon | 77 | 4 | 5 | ||||||||||||||||||||
| H Hurkacz | 6 | 6 | H Hurkacz | 65 | 6 | 7 | |||||||||||||||||||||
| Q | K Uesugi | 3 | 0 | H Hurkacz | 6 | 4 | |||||||||||||||||||||
| Q | K Takeuchi | 4 | 4 | 3 | T Ito | 0 | 0r | ||||||||||||||||||||
| Q | Hiroyasu Ehara | 6 | 6 | Q | H Ehara | 2 | 1 | ||||||||||||||||||||
| S Robert | 3 | 7 | 2 | 3 | T Ito | 6 | 6 | ||||||||||||||||||||
| 3 | T Ito | 6 | 5 | 6 | H Hurkacz | 6 | 4 | 62 | |||||||||||||||||||
| 8 | D-h Lee | 6 | 6 | 2 | M Ebden | 4 | 6 | 77 | |||||||||||||||||||
| Q | Yuya Kibi | 3 | 4 | 8 | D-h Lee | 6 | 6 | ||||||||||||||||||||
 Z Li | 7 | 6 | Z Li | 3 | 3 | ||||||||||||||||||||||
 T Gabashvili | 5 | 2 | 8 | D-h Lee | 3 | 0 | |||||||||||||||||||||
| WC | Jumpei Yamasaki | 3 | 2 | 2 | M Ebden | 6 | 6 | ||||||||||||||||||||
| WC | Y Shimizu | 6 | 6 | WC | Y Shimizu | 3 | 2 | ||||||||||||||||||||
| Y Takahashi | 1 | 66 | 2 | M Ebden | 6 | 6 | |||||||||||||||||||||
| 2 | M Ebden | 6 | 78 | ||||||||||||||||||||||||
Andy Roddick did not defend his title as he had retired from professional tennis in September 2012.
Michał Przysiężny was the defending champion but decided not to participate.
Lleyton Hewitt was the defending champion, but chose to participate in the Davis Cup quarterfinals instead.
Rajeev Ram won the title, defeating Ivo Karlović in the final, 7–6(7–5), 5–7, 7–6(7–2).
Bernard Tomic was the defending champion, and he successfully defended his title, defeating Adrian Mannarino in the final, 6–1, 3–6, 6–2.
Pablo Andújar was the defending champion, but lost to Thomaz Bellucci in the quarterfinals.
Andy Murray was the defending champion but chose not to participate this year.
Tomáš Berdych won the title, defeating Guillermo García-López in the final, 6–3, 7–6(9–7).
David Goffin was the defending champion, but decided not to participate this year.
Víctor Estrella Burgos was the defending champion and successfully defended his title, defeating Thomaz Bellucci in the final, 4–6, 7–6(7–5), 6–2.
Ivo Karlović was the defending champion, but lost in the quarterfinals to Peter Gojowczyk.
Kimmer Coppejans was the defending champion but lost in the first round to Tallon Griekspoor.
Ivo Karlović was the defending champion, but lost in the first round to Quentin Halys.
Tomáš Berdych was the two-time defending champion, but withdrew before the competition began.
James Duckworth was the defending champion but chose not to defend his title.
Chung Hyeon was the defending champion but chose not to defend his title.
Jo-Wilfried Tsonga was the defending champion, but withdrew before the tournament began.
Hiroki Moriya was the defending champion but chose not to defend his title.
Janko Tipsarević was the defending champion but chose not to defend his title.
Vasek Pospisil was the defending champion but lost in the final to Matthew Ebden.
Leonardo Mayer was the defending champion, but lost in the final to Nikoloz Basilashvili, 4–6, 6–0, 5–7. This was Basilashvili's first ATP World Tour title, as well as the first ATP title won by a Georgian player since Alexander Metreveli.
John Isner was the defending champion and successfully defended his title, defeating Ryan Harrison in a rematch of the 2017 final, 5–7, 6–3, 6–4.