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| R4 | Thomas Yu d. Maximo Lawlor | 6-0; 6-0 |
| R4 | Peter Stratton d. Tyler Ikehara | 6-2; 6-1 |
| R4 | Vineet Edupuganti d. Tyler Davis | 6-2; 7-5 |
| R4 | Noah Gampel d. Steven Zarraonandia | 6-1; 6-0 |
| R4 | Karapet Vardanyan d. Siddharth Chari | 6-2; 6-0 |
| R4 | Eric Hahn d. Jordan Azuma | 4-6; 7-5; 7-6(8) |
| R4 | Alex Fedor d. Brent Stein | 6-3; 6-1 |
| R4 | Omni Kumar d. Reyn Miyagawa | 6-2; 6-3 |
| R4 | Pushkar Shinde d. Bryce White | 6-4; 6-4 |
| R4 | Andre Schreiber d. Mateo Fuenmayor | 6-2; 6-2 |
| R4 | Makoa Hotz d. Dustin Kua | 6-3; 6-4 |
| R4 | Benjamin Gollin d. Zion Heaven | 6-2; 6-3 |
| R4 | Harry Yang d. Ryder Jackson | 6-2; 6-2 |
| R4 | Brandon Wong d. Andrew Fucci | 6-0; 6-2 |
| R4 | Ajay Ramani d. Evan Fortier | 6-1; 6-4 |
| R4 | Evan Shamlian d. Andrei Volgin | 6-0; 6-0 |
| R4 | Stanley Morris d. Clark Safran | 6-1; 6-0 |
| R4 | Andrew Yip d. Ty Edwards | 6-1; 6-3 |
| R4 | Matthew Gonzalgo d. Niroop Vallabhaneni | 6-4; 6-0 |
| R4 | Neil Tengbumroong d. Alan Yim | 6-4; 6-0 |
| R4 | Sebastian Herrera d. Coby McCaig | 6-3; 6-1 |
| R4 | Mason Fung d. Ethan Katz | 6-3; 6-7(4); 7-6(7) |
| R4 | Briggs Peus d. Jake Vassel | 6-0; 6-0 |
| R4 | Andrew Huang d. Harrison Sites | 7-6(3); 6-0 |
| R4 | Govind Nanda d. Daniel deLeon | 7-6(4); 6-7(5); 7-6(6) |
| R4 | Peter Clemente III d. James Yu | 6-1; 6-2 |
| R4 | Jack Pulliam d. Dean Stratakos | 6-0; 2-6; 7-6(6) |
| R4 | Harsh Parikh d. Spencer Reid | 6-1; 6-2 |
| R4 | Brett Brinkman d. Sam Gibson | 7-5; 6-4 |
| R4 | Robert Baylon d. Garrett Merz | 6-1; 6-1 |
| R4 | Sahm Irvine d. Cambell Nakayama | 6-2; 6-0 |
| R4 | Cezar Rata d. Dylan Vassel | 6-1; 6-3 |
| R4 | Stefan Dostanic d. Charlie Law | 6-1; 6-0 |
| R4 | Nathan Ang d. Colter Smith | 6-4; 1-6; 7-6(8) |
| R4 | Joshua Maxwell Conlin d. Abraham Yohannes | 1-6; 6-3; 7-6(2) |
| R4 | Danilo Milic d. Jared Kieser | 6-1; 6-0 |
All Boys' 12 Singles Matches
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| R4 | Olivia McIntosh-Adams d. Monica Stratakos | 1-2 Ret (ill) |
| R4 | Katie Volynets d. Caroline Vincent | 6-0; 6-0 |
| R4 | Elena Van Linge d. Carolyn Brooner | 6-4; 6-1 |
| R4 | Julia Lilien d. Anna Lowy | 6-1; 6-0 |
| R4 | Nicole Mossmer d. Casey Cummings | 6-0; 6-1 |
| R4 | Emilia Gorczyca d. Anna Nakamura | 6-3; 6-2 |
| R4 | Emily Zhou d. Samantha Neilson | 6-1; 6-3; 7-6(5) |
| R4 | Elizabeth Isayev d. Agyeponmaa Mintah | 6-0; 6-2 |
| R4 | Nicole Alvarez d. Anna Kalabukhova | 6-0; 6-1 |
| R4 | Jamie Schroer d. Thalia Tsai | 6-2; 6-0 |
| R4 | Chloe Bendetti d. Isabelle Jia | 6-0; 6-1 |
| R4 | Catherine Broerman d. Jaiya Virk | 6-0; 6-1 |
| R4 | Lauren Stein d. Stirling Sites | 6-0; 6-0 |
| R4 | Jennifer Gadalov d. Sarah Bahsoun | 1-6; 7-5; 7-6(4) |
| R4 | Zlata Bobyr d. Haley Fujimori | 6-0; 6-0 |
| R4 | Olivia Bloome d. Reannon Suzuki | 7-6(3); 6-2 |
| R4 | Maya Roderick d. Jessica Sim | 6-0; 6-4 |
| R4 | Olivia McIntosh-Adams d. Monica Stratakos | 6-1; 6-2 |
| R4 | Caroline Goldberg d. Betsy Wo | 6-2; 6-1 |
| R4 | Crystal Juan d. Anna Kern | 6-2; 6-1 |
| R4 | Shweta Kumar d. Maryia Lucia | 6-0; 6-0 |
| R4 | Stephanie Lok d. Gabriela Moss | 6-2; 6-0 |
| R4 | Emily Ackerman d. Elizabeth Stevens | 6-1; 6-1 |
| R4 | Katherine Hernandez d. Tessa Kern | 6-4; 6-0 |
| R4 | Jordan Harris d. Colette Beauvais | 6-0; 6-1 |
| R4 | Eryn Cayetano d. Ashley Vielma | 6-2; 7-6(4) |
| R4 | Carmen Corley d. Cate Liston | 6-1; 6-7(4); 7-6(3) |
| R4 | Lindsay Hung d. Crystal Xu | 6-1; 6-4 |
| R4 | Carson Branstine d. Rachel Eason | 6-0; 6-4 |
| R4 | Julia Deming d. Madison Kim | 1-6; 6-1; 7-6(6) |
| R4 | Ashley Yeah d. Maia Sung | 6-1; 6-4 |
| R4 | Ivana Corley d. Niluka Madurawe | 7-6(3); 7-5 |
| R4 | Jessica Tsukiji d. Grace Koester | 6-3; 6-1 |
| R4 | Patria Aziz d. Skyler Holm | 6-1; 6-1 |
| R4 | Sabrina Ramras d. Natasha Nesterova | 6-0; 6-2 |
| R4 | Shirley Hall d. Courtney Swift | 6-0; 6-3 |
| R4 | Josie Frazier d. Jessi Muljat | 6-4; 6-4 |
All Girls' 12 Singles Matches
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