| Singles | |
|---|---|
| 2016 Vietnam Open (tennis) | |
| Champion |  Jordan Thompson |
| Runner-up |  Go Soeda |
| Final score | 5–7, 7–5, 6–1 |
Saketh Myneni was the defending champion but lost in the second round to Taro Daniel.
Jordan Thompson won the title after defeating Go Soeda 5–7, 7–5, 6–1 in the final.
Malek Jaziri (first round)
Dudi Sela (second round) Taro Daniel (quarterfinals) Jordan Thompson (champion)
Sergiy Stakhovsky (quarterfinals) Go Soeda (final)
Henri Laaksonen (semifinals) Tatsuma Ito (quarterfinals)| Semifinals | Final | ||||||||||||
| Yasutaka Uchiyama | 4 | 3 | |||||||||||
| 6 | Go Soeda | 6 | 6 | ||||||||||
| 6 | Go Soeda | 7 | 5 | 1 | |||||||||
| 4 | Jordan Thompson | 5 | 7 | 6 | |||||||||
| 4 | Jordan Thompson | 6 | 4 | 6 | |||||||||
| 7 | Henri Laaksonen | 2 | 6 | 4 | |||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | M Jaziri | 1 | 6 | 64 | |||||||||||||||||||||||
| Y Uchiyama | 6 | 3 | 77 | Y Uchiyama | 6 | 6 | |||||||||||||||||||||
| H Moriya | 4 | 0 | A Santillan | 2 | 4 | ||||||||||||||||||||||
| A Santillan | 6 | 6 | Y Uchiyama | 6 | 6 | ||||||||||||||||||||||
| WC |  Maxime Tabatruong | 4 | 4 | 8 | T Ito | 3 | 4 | ||||||||||||||||||||
| WC |  NH Lý | 6 | 6 | WC | NH Lý | 2 | 1 | ||||||||||||||||||||
| Q |  VS Prashanth | 3 | 77 | 1 | 8 | T Ito | 6 | 6 | |||||||||||||||||||
| 8 | T Ito | 6 | 63 | 6 | Y Uchiyama | 4 | 3 | ||||||||||||||||||||
| 3 | T Daniel | 6 | 6 | 6 | G Soeda | 6 | 6 | ||||||||||||||||||||
 S Kozlov | 4 | 3 | 3 | T Daniel | 6 | 0 | |||||||||||||||||||||
| A Whittington | 2 | 4 | S Myneni | 1 | 0r | ||||||||||||||||||||||
| S Myneni | 6 | 6 | 3 | T Daniel | 3 | 2 | |||||||||||||||||||||
| P Gunneswaran | 77 | 3 | 6 | G Soeda | 6 | 6 | |||||||||||||||||||||
 A Arnaboldi | 61 | 2r | P Gunneswaran | 6 | 3 | 2 | |||||||||||||||||||||
| WC |  C Rungkat | 7 | 3 | 1 | 6 | G Soeda | 4 | 6 | 6 | ||||||||||||||||||
| 6 | G Soeda | 5 | 6 | 6 | |||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 5 | S Stakhovsky | 6 | 6 | ||||||||||||||||||||||||
 Y Hanfmann | 3 | 4 | 5 | S Stakhovsky | 6 | 7 | |||||||||||||||||||||
| Q | S Singh | 6 | 6 | Q | S Singh | 1 | 5 | ||||||||||||||||||||
| Yuya Kibi | 4 | 4 | 5 | S Stakhovsky | 4 | 77 | 2 | ||||||||||||||||||||
| Q | Shuichi Sekiguchi | 6 | 6 | 4 | J Thompson | 6 | 64 | 6 | |||||||||||||||||||
| WC | TH Nguyễn | 1 | 3 | Q | S Sekiguchi | 3 | 3 | ||||||||||||||||||||
| Q | Laurent Rochette | 2 | 3 | 4 | J Thompson | 6 | 6 | ||||||||||||||||||||
| 4 | J Thompson | 6 | 6 | 4 | J Thompson | 6 | 4 | 6 | |||||||||||||||||||
| 7 | H Laaksonen | 6 | 6 | 7 | H Laaksonen | 2 | 6 | 4 | |||||||||||||||||||
| M Krueger | 4 | 1 | 7 | H Laaksonen | 2 | 6 | 6 | ||||||||||||||||||||
| M Matosevic | 6 | 6 | M Matosevic | 6 | 4 | 3 | |||||||||||||||||||||
 J Wang | 2 | 2 | 7 | H Laaksonen | 710 | 7 | |||||||||||||||||||||
| R Ramanathan | 4 | 61 | P Gojowczyk | 68 | 5 | ||||||||||||||||||||||
| P Gojowczyk | 6 | 77 | P Gojowczyk | 6 | 77 | ||||||||||||||||||||||
| D Masur | 6 | 2 | 3 | 2 | D Sela | 1 | 63 | ||||||||||||||||||||
| 2 | D Sela | 0 | 6 | 6 | |||||||||||||||||||||||
Blaž Kavčič was the defending champion, but elected not to defend his title.
Hyeon Chung clinched his maiden ATP Challenger Tour title, beating Jordan Thompson 7–6(7–0), 6–4 in the final.
Go Soeda was the defending champion.
Top seed John Millman won the title, defeating Taro Daniel in the final 6–1, 6–3.
Taro Daniel won the title, defeating Go Soeda in the final 4–6, 6–3, 6–3.
Yoshihito Nishioka won the title, defeating Alexander Kudryavtsev in the final 6–3, 6–4.
Kimmer Coppejans was the defending champion but lost to Go Soeda in the second round.
Yuki Bhambri was the defending champion but chose not to defend his title.
John Millman was the defending champion but chose not to defend his title.
Taro Daniel was the defending champion but chose not to defend his title.
Lu Yen-hsun was the defending champion but retired in the semifinals facing Taro Daniel.
Jordan Thompson was the defending champion but retired in the second round against Maverick Banes.
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.
James Duckworth was the defending champion but chose not to defend his title.
Yasutaka Uchiyama was the defending champion but lost in the first round to Michał Przysiężny.
Yūichi Sugita was the defending champion but chose not to defend his title.
Hiroki Moriya was the defending champion but chose not to defend his title.
Thomas Fabbiano was the defending champion but chose not to defend his title.
Thanasi Kokkinakis was the defending champion but lost in the second round to Egor Gerasimov.
Tommy Paul was the defending champion but chose not to defend his title.