 | |  |  | | BNP Paribas Masters Khachanov vs Quinn | 27 Oct 25 |
 | |  |  | | Shanghai Masters Majchrzak vs Quinn | 02 Oct 25 |
 | |  |  | | Japan Open Tennis Championships Rune vs Quinn | 27 Sep 25 |
 | |  |  | | Japan Open Tennis Championships Michelsen vs Quinn | 25 Sep 25 |
 | |  |  | | Chengdu Open Giron vs Quinn | 17 Sep 25 |
 | |  |  | | US Open Quinn vs Kym | 24 Aug 25 |
 | |  |  | | Western and Southern Financial Group Masters Mensik vs Quinn | 10 Aug 25 |
 | |  |  | | Western and Southern Financial Group Masters Kecmanovic vs Quinn | 08 Aug 25 |
 | |  |  | | Canadian Open Nakashima vs Quinn | 30 Jul 25 |
 | |  |  | | Canadian Open Quinn vs Nishioka | 28 Jul 25 |
 | |  |  | | Citi Open Nakashima vs Quinn | 22 Jul 25 |
 | |  |  | | Citi Open O Connell vs Quinn | 21 Jul 25 |
 | |  |  | | Wimbledon Quinn vs Majchrzak | 02 Jul 25 |
 | |  |  | | Wimbledon Quinn vs Searle | 30 Jun 25 |
 | |  |  | | Mallorca Championships Griekspoor vs Quinn | 24 Jun 25 |
 | |  |  | | Mallorca Championships Ugo Carabelli vs Quinn | 23 Jun 25 |
 | |  |  | | French Open Griekspoor vs Quinn | 31 May 25 |
 | |  |  | | French Open Shevchenko vs Quinn | 29 May 25 |
 | |  |  | | French Open Dimitrov vs Quinn | 27 May 25 |
 | |  |  | | Mutua Madrid Open Mensik vs Quinn | 25 Apr 25 |
 | |  |  | | Mutua Madrid Open Quinn vs Lajovic | 23 Apr 25 |
 | |  |  | | Barcelona Open Alcaraz vs Quinn | 15 Apr 25 |
 | |  |  | | U.S. Mens Clay Court Championships Quinn vs Smith | 02 Apr 25 |
 | |  |  | | U.S. Mens Clay Court Championships Thompson vs Quinn | 01 Apr 25 |
 | |  |  | | Miami Open Schoolkate vs Quinn | 19 Mar 25 |
 | |  |  | | BNP Paribas Open Bergs vs Quinn | 06 Mar 25 |
 | |  |  | | Delray Beach Open Giron vs Quinn | 12 Feb 25 |
 | |  |  | | Delray Beach Open Boyer vs Quinn | 10 Feb 25 |
 | |  |  | | Dallas Open Paul vs Quinn | 07 Feb 25 |
 | |  |  | | Dallas Open Quinn vs Svajda | 04 Feb 25 |
| | | | | |
Ethan Quinn (born March 12, 2004) is an American tennis player. He has a career-high ATP singles ranking of world No. 71 achieved on 20 October 2025 and a doubles ranking of No. 325 achieved on 17 March 2025.

Trophies 
Milestones
Former Youth Teams 
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