| ITF M25 Falun | 09/28 12:00 | 26 | Lucas Renard v Henri Squire | 6-7,6-7 | |
| ITF M25 Falun | 09/27 14:15 | 25 | [426] Simon Freund v Henri Squire [313] | 6-3,4-6,2-6 | |
| Challenger - Istanbul | 09/14 08:35 | 26 | [314] Henri Squire v Radu Albot [108] | 4-6,3-6 | |
| 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 - Praha | 08/24 08:00 | 26 | [330] Mariano Navone v Henri Squire [291] | 7-5,6-1 | |
| Challenger - Praha | 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 - Rooma | 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 |
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.