| 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 Munich | 04/14 11:05 | 19 | [240] Henri Squire v Ivan Gakhov [223] | 3-6,4-6 | |
| ATP Munich | 04/13 13:20 | 14 | [342] Hazem Naw v Henri Squire [240] | 1-6,1-6 | |
| ATP Munich | 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 | |
| Challenger Hamburg | 03/15 13:30 | 27 | [271] Henri Squire v Rudolf Molleker [187] | Retired | |
| Challenger Hamburg | 03/13 15:35 | 26 | [245] Yasutaka Uchiyama v Henri Squire [271] | 4-6,2-6 | |
| Challenger Hamburg | 03/11 13:55 | 25 | [271] Henri Squire v Steven Diez [308] | 6-2,6-4 | |
| Challenger Lugano | 03/06 12:15 | 26 | [122] Zizou Bergs v Henri Squire [271] | 7-6,6-2 | |
| Challenger Lugano | 03/05 13:10 | 25 | Henri Squire v Mika Brunold | 7-6,6-4 | |
| 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 |
Henri Squire (born 27 September 2000) is a German tennis player.
Squire has a career high ATP singles ranking of world No. 240, achieved in March 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.