| Challenger Lugano | 03/04 13:00 | 19 | [243] Yuta Shimizu v Henri Squire [278] | 6-2,6-7,3-6 | |
| Challenger Lugano | 03/03 18:30 | 14 | [344] Norbert Gombos v Henri Squire [278] | 6-7,3-6 | |
| Challenger Lille | 02/27 11:00 | 25 | [278] Henri Squire v Benjamin Hassan [154] | 7-6,6-7,3-6 | |
| Challenger Lille | 02/26 11:05 | 19 | [257] Henri Squire v Egor Gerasimov [368] | 6-3,6-7,7-6 | |
| Challenger Lille | 02/25 13:10 | 14 | [257] Henri Squire v Akira Santillan [382] | Retired | |
| Challenger Pau | 02/18 14:15 | 14 | [257] Henri Squire v Strong Kirchheimer [416] | 6-3,6-7,2-6 | |
| Challenger Cherbourg | 02/12 19:10 | 25 | [258] Ricardas Berankis v Henri Squire [257] | 6-3,4-6,7-5 | |
| Challenger Koblenz | 01/31 11:00 | 25 | [259] Henri Squire v Jules Marie [220] | 4-6,4-6 | |
| Challenger Ottignies | 01/26 18:50 | 27 | [271] Henri Squire v Damir Dzumhur [158] | 4-6,5-7 | |
| Challenger Ottignies | 01/25 12:30 | 26 | [271] Henri Squire v Marius Copil [294] | 6-2,6-2 | |
| Challenger Ottignies | 01/24 18:00 | 25 | [271] Henri Squire v Alexander Blockx [350] | 3-6,6-4,7-6 | |
| Challenger Ottignies | 01/23 11:20 | 19 | [250] Leandro Riedi v Henri Squire [271] | 6-1,3-6,6-3 | |
| Challenger Ottignies | 01/22 12:25 | 14 | [412] Tibo Colson v Henri Squire [271] | 2-6,6-3,5-7 | |
| Challenger Nonthaburi | 01/15 03:00 | 19 | [266] Tennys Sandgren v Henri Squire [271] | 7-6,7-6 | |
| Challenger Nonthaburi | 01/14 03:00 | 14 | [292] Chun Hsin Tseng v Henri Squire [271] | 6-7,0-6 | |
| Challenger Nonthaburi | 01/09 07:55 | 25 | [443] Yusuke Takahashi v Henri Squire [271] | 6-4,1-6,6-3 | |
| Challenger Maspalomas | 11/27 13:10 | 25 | [158] Filip Misolic v Henri Squire [261] | 6-3,6-4 | |
| Challenger Valencia | 11/20 10:00 | 19 | [262] Adrian Andreev v Henri Squire [264] | 6-3,6-3 | |
| Challenger Valencia | 11/19 09:00 | 14 | [402] Vilius Gaubas v Henri Squire [262] | 3-6,6-3,4-6 | |
| ITF M25 Trnava | 11/09 09:00 | 26 | Henri Squire v Matej Vocel | 3-6,4-6 | |
| ITF M25 Trnava | 11/07 16:45 | 25 | Henri Squire v Peter Benjamin Privara | 6-2,6-3 | |
| Challenger Ismaning | 11/01 11:55 | 26 | [265] Henri Squire v Marc-Andrea Huesler [173] | 3-6,7-5,6-7 | |
| Challenger Ismaning | 10/30 16:35 | 25 | [238] Denis Yevseyev v Henri Squire [265] | 3-6,4-6 | |
| Challenger Lisboa | 10/02 09:00 | 19 | [265] Henri Squire v Francesco Forti [349] | 7-6,1-6,1-6 | |
| Challenger Lisboa | 10/01 09:00 | 14 | [265] Henri Squire v Connor Thomson [322] | 6-4,3-6,6-1 | |
| Challenger Braga | 09/24 12:15 | 14 | Henri Squire v Tiago Pereira | 3-6,6-3,1-6 | |
| Challenger Bad Waltersdorf | 09/19 13:10 | 25 | [185] Raul Brancaccio v Henri Squire [267] | 7-6,5-7,6-2 | |
| Challenger Bad Waltersdorf | 09/18 08:00 | 19 | [267] Henri Squire v Marcello Serafini [455] | 6-4,6-2 | |
| Challenger Bad Waltersdorf | 09/17 08:00 | 14 | [264] Henri Squire v David Pichler [294] | 6-7,6-3,6-4 | |
| Challenger Szczecin | 09/12 17:30 | 25 | [96] Federico Coria v Henri Squire [264] | 6-4,2-6,6-4 |
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.