| Challenger Istanbul | 09/13 10:10 | 25 | Henri Squire v Bogdan Ionut Apostol | Retired | |
| Challenger Tulln | 09/04 11:25 | 14 | Sebastian Prechtel v Henri Squire | 6-4,3-6,6-3 | |
| Challenger Prague | 08/24 08:00 | 26 | [330] Mariano Navone v Henri Squire [291] | 7-5,6-1 | |
| Challenger Prague | 08/22 11:45 | 25 | [325] Lukas Neumayer v Henri Squire [291] | 1-6,4-6 | |
| Challenger Grodzisk Mazowiecki | 08/16 08:00 | 25 | [287] Henri Squire v Jurij Rodionov [138] | 3-6,4-6 | |
| Challenger Meerbusch | 08/09 13:50 | 25 | [288] Henri Squire v Adrian Andreev [353] | 2-6,4-6 | |
| Challenger Liberec | 07/31 12:40 | 14 | Henri Squire v Sumit Nagal | 3-6,2-6 | |
| Challenger Zug | 07/24 09:00 | 14 | [293] Henri Squire v Jakub Paul [457] | 3-6,2-6 | |
| ATP Halle | 06/13 14:25 | 25 | [62] Laslo Djere v Henri Squire [291] | Retired | |
| Challenger Nottingham | 06/07 10:00 | 25 | [307] Henri Squire v Jack Sock [110] | 2-6,6-7 | |
| Challenger Nottingham | 06/06 14:00 | 19 | [444] Charles Broom v Henri Squire [307] | 3-6,7-6,3-6 | |
| Challenger Nottingham | 06/06 10:00 | 14 | [490] Stuart Parker v Henri Squire [307] | 5-7,6-7 | |
| Challenger Poznan | 05/29 14:30 | 14 | Maks Kasnikowski v Henri Squire | Retired | |
| Challenger Troisdorf | 05/28 15:25 | 28 | [342] Henri Squire v Lukas Klein [327] | 4-6,1-6 | |
| Challenger Troisdorf | 05/27 11:40 | 27 | [217] Evgeny Donskoy v Henri Squire [342] | 6-2,3-6,4-6 | |
| Challenger Troisdorf | 05/26 15:30 | 26 | [342] Henri Squire v Thomas Fabbiano [182] | 6-4,6-3 | |
| Challenger Troisdorf | 05/24 16:00 | 25 | [399] Shintaro Mochizuki v Henri Squire [342] | 6-3,5-7,4-6 | |
| ITF M25 Most | 05/18 11:00 | 25 | Henri Squire v Pavel Nejedly | 4-6,2-6 | |
| Challenger Heilbronn | 05/11 11:10 | 26 | [353] Henri Squire v Chun Hsin Tseng [116] | 1-6,2-6 | |
| Challenger Heilbronn | 05/10 11:45 | 25 | [199] Zizou Bergs v Henri Squire [353] | 6-7,6-4,4-6 | |
| Challenger Heilbronn | 05/09 11:35 | 19 | [432] Johannes Haerteis v Henri Squire [353] | Retired | |
| Challenger Heilbronn | 05/08 15:00 | 14 | [180] Saketh Myneni v Henri Squire [352] | 2-6,4-6 | |
| Challenger Rome | 04/24 08:00 | 14 | [481] Vladyslav Orlov v Henri Squire [356] | 6-1,6-3 | |
| Challenger Split | 04/18 10:05 | 19 | [328] Michael Geerts v Henri Squire [356] | 6-4,6-4 | |
| Challenger Split | 04/17 13:40 | 14 | [414] Christopher Heyman v Henri Squire [353] | 1-6,2-6 | |
| Challenger St Brieuc | 03/31 18:25 | 26 | [377] Henri Squire v Quentin Halys [115] | 4-6,6-7 | |
| Challenger St Brieuc | 03/29 09:00 | 25 | [320] Mikael Torpegaard v Henri Squire [377] | 6-4,6-7,3-6 | |
| Challenger St Brieuc | 03/28 09:00 | 19 | Jurgen Briand v Henri Squire | 6-3,2-6,6-7 | |
| Challenger St Brieuc | 03/27 08:00 | 14 | [497] Luca Potenza v Henri Squire [377] | 2-6,4-6 | |
| Challenger Lille | 03/22 12:00 | 25 | [282] Tobias Kamke v Henri Squire [404] | 6-2,6-4 |
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.