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| 16 | (8) Filip (Q) Obucina d. Lucas Guitarrari | 6-2;4-6;6-4 |
| 16 | Nicolas (Q) Jarry d. Alexandru (LL) Gozun | 7-6(5);7-6(1) |
| 16 | (6) Vadym (Q) Kalyuzhnyy d. (15) Graham Ball | 6-1;6-1 |
| 16 | Pengxuan (Q) Jiang d. Arjun Watane | 6-4;6-3 |
| 16 | (4) Justin (Q) Butsch d. Woravin (WC) Kumthonkittikul | 6-2;4-6;6-4 |
| 16 | (3) Ciro (Q) Riccardi d. Zandrix (LL) Acob | 6-1;6-0 |
| 16 | Bernardo (Q) Sanson d. Julian Saborio | 6-4;2-6;6-3 |
| 16 | Andrew (Q) Schafer d. (1) Andres (LL) Alfonzo | 6-4;6-1 |
| 32 | Lucas Guitarrari d. (9) Stephen Watson | 7-6(5);6-2 |
| 32 | (8) Filip (Q) Obucina d. Jose De Sario Contreras | 4-6;6-1;6-2 |
| 32 | Nicolas (Q) Jarry d. Kaylin de Beer | Wo (em) |
| 32 | Alexandru (LL) Gozun d. (7) Sebastian Ofner | 6-4;4-6;6-0 |
| 32 | (15) Graham Ball d. Rasheed Carey | 2-6;6-3;6-0 |
| 32 | (6) Vadym (Q) Kalyuzhnyy d. Denis Merkulov | 6-2;6-2 |
| 32 | Pengxuan (Q) Jiang d. (12) Stefan Cooper | 6-4;6-3 |
| 32 | Arjun Watane d. Abdulrahman Al harib | 6-1;7-6(4) |
| 32 | Woravin (WC) Kumthonkittikul d. (10) Patrick Graham | 6-0;6-0 |
| 32 | (4) Justin (Q) Butsch d. Bernardo Herrera | 6-1;6-1 |
| 32 | Zandrix (LL) Acob d. Olivier Gingras | 6-4;6-1 |
| 32 | (3) Ciro (Q) Riccardi d. Aj Catanzariti | 6-4;2-6;6-2 |
| 32 | Bernardo (Q) Sanson d. Kian Mclean | 6-1;6-1 |
| 32 | Julian Saborio d. (2) Jared Donaldson | 3-1 Ret (ill) |
| 32 | Andrew (Q) Schafer d. (16) Santiago Sierra | 6-1;6-0 |
| 32 | (1) Andres (LL) Alfonzo d. Emmett (WC) Ward | 6-2;6-2 |
| 64 | (9) Stephen Watson d. Ishan Kulkarni | 6-1;6-1 |
| 64 | Lucas Guitarrari d. Daniel Hoang | 6-7(4);6-2;6-0 |
| 64 | Jose De Sario Contreras d. Ilya Vikulin | 6-0;6-0 |
| 64 | (8) Filip (Q) Obucina d. Giles Gunter | 6-0;6-0 |
| 64 | Kaylin de Beer d. (13) Jody Maginley | 6-1;2-6;6-2 |
| 64 | Nicolas (Q) Jarry d. Francisco Herrera | 6-1;6-0 |
| 64 | Alexandru (LL) Gozun d. Noppawit Satprertpry | 7-6(6);6-4 |
| 64 | (7) Sebastian Ofner d. Langford Hills | 6-1;6-4 |
| 64 | (15) Graham Ball d. Marc Yurgenson | 6-1;6-1 |
| 64 | Rasheed Carey d. Noppawat Satprertpry | 6-2;6-4 |
| 64 | Denis Merkulov d. Alejandro Zarate | 6-2;6-0 |
| 64 | (6) Vadym (Q) Kalyuzhnyy d. Christian Bunea | 6-0 Ret (inj) |
| 64 | (12) Stefan Cooper d. Tadeo Bruno | 5-7;6-1;6-4 |
| 64 | Pengxuan (Q) Jiang d. Maximiliano Colorado | 2-6;6-3;7-5 |
| 64 | Arjun Watane d. Christian Villacis | 6-2;6-1 |
| 64 | Abdulrahman Al harib d. (5) Benmo Oparison | 6-3;6-2 |
| 64 | (10) Patrick Graham d. Zichen (WC) Shu | 6-0;6-3 |
| 64 | Woravin (WC) Kumthonkittikul d. Jorge Vargas | 6-2;6-2 |
| 64 | Bernardo Herrera d. Kyle Slabbert | 6-1;6-2 |
| 64 | (4) Justin (Q) Butsch d. Antony Mendes | 6-1;6-1 |
| 64 | Zandrix (LL) Acob d. (14) Kevin Major | 6-4;6-4 |
| 64 | Olivier Gingras d. Manuel Castellanos | 4-6;6-1;6-4 |
| 64 | Aj Catanzariti d. Ilya Polonskiy | 4-6;6-1;7-6(4) |
| 64 | (3) Ciro (Q) Riccardi d. Jesse Flores | 6-2;6-1 |
| 64 | Kian Mclean d. (11) Akhil Mehta | 4-6;6-3;7-6(6) |
| 64 | Bernardo (Q) Sanson d. Felipe Oyarzun | 6-1;6-3 |
| 64 | Julian Saborio d. Julio Valdes | 7-6(4);6-3 |
| 64 | (2) Jared Donaldson d. Filip Rikl | 6-4;6-3 |
| 64 | (16) Santiago Sierra d. Torben Kruppa | 6-2;6-1 |
| 64 | Andrew (Q) Schafer d. Bryan Chen | 6-2;6-1 |
| 64 | Emmett (WC) Ward d. Gleb Smyslov | 6-4;6-0 |
| 64 | (1) Andres (LL) Alfonzo d. Patricio Faz | 6-1;3-6;6-1 |