| Singles | |
|---|---|
| 2018 Challenger Banque Nationale de Drummondville | |
| Champion |  Denis Kudla |
| Runner-up |  Benjamin Bonzi |
| Score | 6–0, 7–5 |
Denis Shapovalov was the defending champion but chose not to defend his title.
Denis Kudla won the title after defeating Benjamin Bonzi 6–0, 7–5 in the final.
Vasek Pospisil (semifinals)
Henri Laaksonen (second round) Gleb Sakharov (first round, retired)
Liam Broady (first round) Denis Kudla (champion) Filip Peliwo (second round) Evan King (quarterfinals) Brayden Schnur (semifinals)| Semifinals | Final | ||||||||||||
| 1 | Vasek Pospisil | 5 | 6 | 1 | |||||||||
| Benjamin Bonzi | 7 | 3 | 6 | ||||||||||
| Benjamin Bonzi | 0 | 5 | |||||||||||
| 5 | Denis Kudla | 6 | 7 | ||||||||||
| 8 | Brayden Schnur | 4 | 2 | ||||||||||
| 5 | Denis Kudla | 6 | 6 | ||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | V Pospisil | 7 | 6 | ||||||||||||||||||||||||
 A Pavić | 5 | 3 | 1 | V Pospisil | 77 | 7 | |||||||||||||||||||||
| WC | B Sigouin | 1 | 6 | 4 | Alt |  N Scholtz | 62 | 5 | |||||||||||||||||||
| Alt | N Scholtz | 6 | 2 | 6 | 1 | V Pospisil | 77 | 6 | |||||||||||||||||||
| WC | Pavel Krainik | 6 | 5 | 2 | 7 | E King | 64 | 4 | |||||||||||||||||||
 D Köpfer | 3 | 7 | 6 | D Köpfer | 4 | 66 | |||||||||||||||||||||
| Q |  A Vukic | 61 | 4 | 7 | E King | 6 | 78 | ||||||||||||||||||||
| 7 | E King | 77 | 6 | 1 | V Pospisil | 5 | 6 | 1 | |||||||||||||||||||
| 4 | L Broady | 6 | 4 | 63 | B Bonzi | 7 | 3 | 6 | |||||||||||||||||||
| LL | JC Aragone | 4 | 6 | 77 | LL | JC Aragone | 7 | 6 | |||||||||||||||||||
| WC | Samuel Monette | 6 | 6 | WC | S Monette | 5 | 4 | ||||||||||||||||||||
| Q | R Roelofse | 3 | 4 | LL | JC Aragone | 77 | 2 | 0 | |||||||||||||||||||
| B Bonzi | 6 | 5 | 7 | B Bonzi | 65 | 6 | 6 | ||||||||||||||||||||
| V Millot | 4 | 7 | 5 | B Bonzi | 6 | 77 | |||||||||||||||||||||
| Alt |  A González | 3 | 6 | 3 | 6 | F Peliwo | 4 | 63 | |||||||||||||||||||
| 6 | F Peliwo | 6 | 4 | 6 | |||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 8 | B Schnur | 77 | 6 | ||||||||||||||||||||||||
| PR |  M Przysiężny | 63 | 2 | 8 | B Schnur | 6 | 6 | ||||||||||||||||||||
| C Harrison | 6 | 65 | 77 | C Harrison | 4 | 3 | |||||||||||||||||||||
| J-P Smith | 0 | 77 | 64 | 8 | B Schnur | w/o | |||||||||||||||||||||
| WC | JM Lin | 5 | 1 | PR | F Dancevic | ||||||||||||||||||||||
| PR | F Dancevic | 7 | 6 | PR | F Dancevic | 78 | 6 | ||||||||||||||||||||
| C Lestienne | 6 | 0 | C Lestienne | 66 | 2 | ||||||||||||||||||||||
| 3 | G Sakharov | 3 | 0r | 8 | B Schnur | 4 | 2 | ||||||||||||||||||||
| 5 | D Kudla | 1 | 6 | 6 | 5 | D Kudla | 6 | 6 | |||||||||||||||||||
| Q | A Escoffier | 6 | 3 | 4 | 5 | D Kudla | 6 | 5 | 6 | ||||||||||||||||||
| F Škugor | 6 | 3 | 3r | Alt |  J De Loore | 3 | 7 | 2 | |||||||||||||||||||
| Alt | J De Loore | 3 | 6 | 4 | 5 | D Kudla | 6 | 6 | |||||||||||||||||||
 N Kuhn | 4 | 3 | LL | J Hiltzik | 2 | 1 | |||||||||||||||||||||
| LL | Jared Hiltzik | 6 | 6 | LL | J Hiltzik | 6 | 6 | ||||||||||||||||||||
| Q | A Gómez | 4 | 5 | 2 | H Laaksonen | 4 | 4 | ||||||||||||||||||||
| 2 | H Laaksonen | 6 | 7 | ||||||||||||||||||||||||
The boys' singles tournament of the 2010 US Open started on Sunday, September 5, the seventh day of the main tournament.
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Denis Kudla defeated Stebe 6–3, 6–3 in the final to win the title.
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David Goffin was the defending champion, but withdrew before the competition began.
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