Nine-ball at the 2017 World Games – men's singles
# Nine-ball at the 2017 World Games – men's singles

The men's singles nine-ball competition at the 2017 World Games took place from 26 to 29 July 2017 at the Wroclaw Congress Center in Wrocław, Poland.

## Bracket

| Round of 16 | Round of 16 | Quarter-finals | Quarter-finals | Semi-finals | Semi-finals | Final | Final |
| - | - | - | - | - | - | - | - |
| Albin Ouschan | 11 | | | | |
| Ameur Riad | 1 | | | | |
| Ameur Riad | 1 | Albin Ouschan | 9 | | |
| | | Naoyuki Ōi | 11 | | |
| Brandon Shuff | 9 | Naoyuki Ōi | 11 | | |
| Naoyuki Ōi | 11 | | | | |
| Naoyuki Ōi | 11 | | | Naoyuki Ōi | 7 |
| | | | | Carlo Biado | 11 |
| Carlo Biado | 11 | | | Carlo Biado | 11 |
| Joshua Filler | 5 | | | | |
| Joshua Filler | 5 | Carlo Biado | 11 | | |
| | | Mieszko Fortuński | 9 | | |
| Mieszko Fortuński | 11 | Mieszko Fortuński | 9 | | |
| Wu Jia-qing | 10 | | | | | | |
| Wu Jia-qing | 10 | | | | | Carlo Biado | 11 |
| | | | | | | Jayson Shaw | 7 |
| Jayson Shaw | 11 | | | | | Jayson Shaw | 7 |
| Alejandro Carvajal | 8 | | | | | | |
| Alejandro Carvajal | 8 | Jayson Shaw | 11 | | | | |
| | | Matthew Edwards | 5 | | | | |
| Matthew Edwards | 11 | Matthew Edwards | 5 | | | | |
| Ruslan Chinakhov | 10 | | | | | | |
| Ruslan Chinakhov | 10 | | | Jayson Shaw | 11 | | |
| | | | | Ko Pin-yi | 6 | Third place | Third place |
| David Alcaide | 11 | | | Ko Pin-yi | 6 | Third place | Third place |
| Shaun Wilkie | 2 | | | | | | |
| Shaun Wilkie | 2 | David Alcaide | 9 | | | Naoyuki Ōi | 11 |
| | | Ko Pin-yi | 11 | | | Ko Pin-yi | 9 |
| Ronald Regli | 2 | Ko Pin-yi | 11 | | | Ko Pin-yi | 9 |
| Ko Pin-yi | 11 | | | | | | |
