| Challenger Szczecin | 09/10 12:20 | 14 | Jasza Szajrych v Henri Squire | 3-6,4-6 | |
| Challenger Tulln | 09/08 11:40 | 27 | [137] Flavio Cobolli v Henri Squire [278] | 6-1,6-2 | |
| Challenger Tulln | 09/06 15:00 | 26 | [35] Lucas Miedler v Henri Squire [278] | 6-4,3-6,4-6 | |
| Challenger Tulln | 09/04 13:00 | 25 | [278] Henri Squire v Jozef Kovalík [151] | 6-7,6-2,6-4 | |
| Challenger Praha | 08/22 09:50 | 25 | [277] Henri Squire v Federico Agustin Gomez [425] | 6-4,4-6,3-6 | |
| Challenger Todi | 08/14 14:00 | 25 | [377] Gabriel Debru v Henri Squire [276] | 6-3,7-6 | |
| Challenger Meerbusch | 08/10 12:55 | 26 | [278] Henri Squire v Manuel Guinard [281] | 4-6,4-6 | |
| Challenger Meerbusch | 08/09 11:35 | 25 | [109] Jurij Rodionov v Henri Squire [278] | 4-6,2-6 | |
| Challenger Luedenscheid | 08/04 08:00 | 26 | [282] Henri Squire v Raul Brancaccio [178] | 3-6,6-2,4-6 | |
| Challenger Luedenscheid | 08/01 11:10 | 25 | [226] Stefano Travaglia v Henri Squire [282] | Retired | |
| Challenger Tampere | 07/22 10:20 | 28 | [305] Henri Squire v Dalibor Svrcina [193] | 6-7,1-6 | |
| Challenger Tampere | 07/21 11:30 | 27 | [305] Henri Squire v Daniel Michalski [271] | 7-5,1-6,6-3 | |
| Challenger Tampere | 07/19 15:35 | 26 | [109] Zsombor Piros v Henri Squire [305] | 7-6,4-6,1-6 | |
| Challenger Tampere | 07/18 09:00 | 25 | [305] Henri Squire v Toby Kodat [489] | 3-6,7-5,6-0 | |
| Challenger Braunschweig | 07/09 11:00 | 14 | Henri Squire v Lewie Lane | Retired | |
| Challenger Karlsruhe | 07/03 12:35 | 25 | [145] Alejandro Tabilo v Henri Squire [311] | 7-5,6-1 | |
| ITF M25 Arlon | 06/30 08:50 | 27 | Maxime Mora v Henri Squire | 6-3,7-6 | |
| ITF M25 Arlon | 06/29 10:15 | 26 | Alexander Blockx v Henri Squire | 3-6,2-6 | |
| ITF M25 Arlon | 06/28 13:40 | 25 | [247] Mick Veldheer v Henri Squire [306] | 7-6,3-6,6-7 | |
| ATP Halle | 06/18 10:35 | 19 | [344] Louis Wessels v Henri Squire [316] | 6-3,3-6,6-3 | |
| ATP Halle | 06/17 10:35 | 45 | [316] Henri Squire v Luca Van Assche [69] | 6-2,6-2 | |
| ATP Stuttgart | 06/10 13:45 | 14 | [308] Henri Squire v Yosuke Watanuki [126] | 6-4,5-7,3-6 | |
| Challenger Heilbronn | 06/06 15:00 | 25 | [308] Henri Squire v Pedro Martinez [135] | 4-6,2-6 | |
| Challenger Heilbronn | 06/05 09:30 | 19 | [308] Henri Squire v Mats Moraing [476] | Walkover | |
| Challenger Heilbronn | 06/04 09:30 | 14 | Henri Squire v Aleksandr Braynin | 6-1,6-2 | |
| Challenger Troisdorf | 05/30 16:15 | 25 | [308] Henri Squire v Renzo Olivo [261] | 2-6,5-7 | |
| Challenger Troisdorf | 05/30 16:15 | 25 | [308] Henri Squire v Adrian Andreev [215] | Cancelled | |
| ITF M25 Most | 05/28 08:00 | 29 | [322] Timo Stodder v Henri Squire [308] | 1-6,6-3,0-6 | |
| ITF M25 Most | 05/27 11:05 | 28 | Emilien Voisin v Henri Squire | 6-7,3-6 | |
| ITF M25 Most | 05/26 09:45 | 27 | [399] Martin Damm v Henri Squire [327] | 6-3,5-7,5-7 |
Henri Squire (born 27 September 2000) is a German tennis player.
Squire has a career high ATP singles ranking of world No. 235, achieved in April 2024, and a career-high doubles ranking of No. 345, attained in 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.