| ATP Stuttgart | 06/10 13:50 | 25 | [178] Henri Squire v Yannick Hanfmann [91] | 3-6,3-6 | |
| Challenger Heilbronn | 06/07 16:00 | 27 | [184] Alexander Ritschard v Henri Squire [221] | 6-2,6-3 | |
| Challenger Heilbronn | 06/05 16:05 | 26 | [221] Henri Squire v Maximilian Marterer [101] | 6-0,6-2 | |
| Challenger Heilbronn | 06/04 11:15 | 25 | [221] Henri Squire v Adolfo Daniel Vallejo [291] | 6-3,6-2 | |
| French Open | 05/30 09:00 | 24 | [221] Henri Squire v Felix Auger Aliassime [21] | 4-6,6-4,3-6,2-6 | |
| French Open | 05/27 09:00 | 23 | [94] Max Purcell v Henri Squire [221] | 2-6,2-6,6-3,6-4,6-7 | |
| French Open | 05/24 11:55 | 19 | [170] Andrea Vavassori v Henri Squire [211] | 3-6,6-3,4-6 | |
| French Open | 05/22 16:35 | 15 | [185] Hugo Grenier v Henri Squire [211] | 2-6,4-6 | |
| French Open | 05/21 12:40 | 14 | [211] Henri Squire v Damir Dzumhur [129] | 2-6,6-3,6-4 | |
| Challenger Bordeaux | 05/14 16:20 | 19 | [183] Matteo Martineau v Henri Squire [209] | 6-4,2-6,6-4 | |
| Challenger Bordeaux | 05/13 12:05 | 14 | [389] Louis Wessels v Henri Squire [209] | 4-6,2-6 | |
| Challenger Prague | 05/08 08:00 | 25 | [148] Leandro Riedi v Henri Squire [209] | 6-7,6-4,6-4 | |
| Challenger Ostrava | 04/28 09:00 | 29 | [145] Damir Dzumhur v Henri Squire [235] | 6-2,4-6,7-5 | |
| Challenger Ostrava | 04/27 09:00 | 28 | [271] Timofey Skatov v Henri Squire [235] | 3-6,4-6 | |
| Challenger Ostrava | 04/26 10:00 | 27 | [205] Dennis Novak v Henri Squire [235] | 3-6,2-6 | |
| Challenger Ostrava | 04/24 08:00 | 26 | [445] Jelle Sels v Henri Squire [235] | 6-7,2-6 | |
| Challenger Ostrava | 04/22 15:00 | 25 | [235] Henri Squire v Gabriel Diallo [154] | 6-2,5-7,6-4 | |
| ATP München | 04/14 11:05 | 19 | [240] Henri Squire v Ivan Gakhov [223] | 3-6,4-6 | |
| ATP München | 04/13 13:20 | 14 | [342] Hazem Naw v Henri Squire [240] | 1-6,1-6 | |
| ATP München | 04/13 12:00 | 14 | Rudolf Molleker v Henri Squire | Cancelled | |
| Challenger Split | 04/12 10:00 | 27 | [240] Henri Squire v Benjamin Bonzi [168] | 6-4,3-6,4-6 | |
| Challenger Split | 04/11 14:00 | 26 | [500] Luka Mikrut v Henri Squire [240] | 3-6,4-6 | |
| Challenger Split | 04/09 13:15 | 25 | [353] Jakub Nicod v Henri Squire [240] | 2-6,6-7 | |
| Challenger Barcelona | 04/02 13:35 | 25 | [244] Henri Squire v Carlos Taberner [392] | 4-6,4-6 | |
| ITF M25 Trnava | 03/30 09:55 | 28 | [240] Henri Squire v Jakub Nicod [397] | 2-6,6-4,1-6 | |
| ITF M25 Trnava | 03/29 09:00 | 27 | [240] Henri Squire v Robin Bertrand [449] | 6-3,6-2 | |
| ITF M25 Trnava | 03/28 09:00 | 26 | [240] Henri Squire v Jakub Paul [233] | 6-3,6-2 | |
| ITF M25 Trnava | 03/26 14:50 | 25 | [240] Henri Squire v Patrick Zahraj [476] | 6-7,6-4,6-3 | |
| Challenger Hamburg | 03/17 12:00 | 29 | [271] Henri Squire v Clement Chidekh [320] | 6-4,6-2 | |
| Challenger Hamburg | 03/16 13:45 | 28 | [271] Henri Squire v Alexander Blockx [307] | 6-3,7-5 |
Henri Squire (born 27 September 2000) is a German tennis player. He has a career-high ATP singles ranking of world No. 209, achieved on 6 May 2024, and a doubles ranking of No. 345, attained on 28 August 2023.
He played two seasons of college tennis for Wake Forest and became 2021 ACC Freshman of the Year and 2021 First-Team all ACC Singles.