| 光州挑戰賽 | 04/14 04:45 | 14 | August Holmgren v 李德熙 | 5-7,5-7 | |
| 釜山挑戰賽 | 04/07 01:00 | 14 | August Holmgren v Yuki Mochizuki | 4-6,2-6 | |
| ITF M25卡拉巴薩斯 男雙 | 03/21 19:40 | 26 | August Holmgren v 卡魯•塞爾 | 4-6,3-6 | |
| ITF M25卡拉巴薩斯 男雙 | 03/20 20:30 | 25 | August Holmgren v Cash Hanzlik | 7-6,7-5 | |
| ITF M25貝克斯菲爾德 | 03/16 17:00 | 26 | 埃米爾•哈德 v August Holmgren | CANC | |
| ITF M25貝克斯菲爾德 | 03/15 17:55 | 27 | [489] 埃内斯托•埃斯科韦多 v August Holmgren [278] | 6-3,7-5 | |
| ITF M25貝克斯菲爾德 | 03/14 20:00 | 26 | 亞曆山大•克林察洛夫 v August Holmgren | 4-6,4-6 | |
| ITF M25貝克斯菲爾德 | 03/14 01:00 | 25 | Alexey Nesterov v August Holmgren | 4-6,4-6 | |
| 特內里費挑戰賽 | 02/29 10:00 | 26 | [227] 盧卡斯•紐馬爾 v August Holmgren [292] | 6-3,6-7,6-4 | |
| 特內里費挑戰賽 | 02/27 13:50 | 25 | [292] August Holmgren v 伊利亞•伊瓦什卡 [186] | 6-3,7-5 | |
| 特內里費挑戰賽 | 02/26 10:00 | 19 | [246] 米切爾•克魯格 v August Holmgren [297] | 5-7,2-6 | |
| 特內里費挑戰賽資格賽 | 02/25 10:00 | 14 | [400] 卡洛斯•塔伯納 v August Holmgren [297] | 2-6,7-6,4-6 |
August Holmgren (born 22 April 1998) is a Danish professional tennis player.
Holmgren has a career high ATP singles ranking of World No. 292 achieved on 29 January 2024.
Holmgren represents Denmark at the Davis Cup, where he has a W/L record of 3–0.
Holmgren played five years of college tennis for the San Diego Toreros from 2017 to 2022, receiving numerous West Coast Conference (WCC) honors. He was the nation's top-ranked player after winning the Intercollegiate Tennis Association (ITA) National Fall Championships in late 2021, and he finished his college career as the 2022 NCAA Singles Championship runner-up to Ben Shelton.
Holmgren made his ATP debut at the 2021 San Diego Open after receiving a lucky loser spot into the main draw after third seed Félix Auger-Aliassime withdrew. There, he lost to former world No. 3 Grigor Dimitrov in straight sets.