| 橫濱挑戰賽 | 11/20 01:00 | 19 | [335] August Holmgren v 田島尚輝 [447] | 3-6,7-5,6-3 | |
| 橫濱挑戰賽 | 11/19 02:55 | 14 | [335] August Holmgren v 詹姆斯•特羅特 [389] | 7-6,3-6,6-4 | |
| 神戶挑戰賽 | 11/16 04:30 | 26 | [335] August Holmgren v 盧卡•納爾迪 [128] | 3-6,6-3,5-7 | |
| 神戶挑戰賽 | 11/14 02:45 | 25 | [335] August Holmgren v 摩西 Echargui [279] | 6-4,6-3 | |
| 神戶挑戰賽 | 11/13 04:35 | 19 | [467] 高橋雄介 v August Holmgren [392] | 4-6,4-6 | |
| 神戶挑戰賽 | 11/12 06:00 | 14 | [392] August Holmgren v Omni Kumar [357] | 6-2,6-3 | |
| 松山挑戰賽 | 11/11 05:15 | 28 | [86] 泰羅•丹尼爾 v August Holmgren [392] | 7-6,6-2 | |
| 松山挑戰賽 | 11/11 01:00 | 27 | [179] 杜耶•艾杜科維奇 v August Holmgren [392] | 5-7,6-3,6-7 | |
| 松山挑戰賽 | 11/09 03:10 | 26 | [309] 內山康孝 v August Holmgren [392] | 6-7,6-7 | |
| 松山挑戰賽 | 11/08 01:00 | 25 | [392] August Holmgren v 馬利克•波爾曼斯 [158] | 6-0,6-4 | |
| 松山挑戰賽 | 11/06 01:00 | 19 | [368] 葉戈爾∙格拉西莫夫 v August Holmgren [455] | 4-6,6-7 | |
| ITF M25哈靈根 | 10/29 17:00 | 29 | Raphael Perot v August Holmgren | 3-6,7-6,1-6 | |
| ITF M25哈靈根 | 10/28 16:00 | 28 | Kyle Kang v August Holmgren | 5-7,4-6 | |
| ITF M25哈靈根 | 10/27 16:50 | 27 | Keshav Chopra v August Holmgren | 2-6,6-7 | |
| ITF M25哈靈根 | 10/26 17:00 | 26 | 呂克•豐巴 v August Holmgren | 3-6,6-3,3-6 | |
| ITF M25哈靈根 | 10/25 14:00 | 25 | 阿維德 Nordquist v August Holmgren | 7-6,4-6,5-7 | |
| 費爾菲爾德挑戰賽 | 10/10 20:50 | 25 | [153] 克裏斯蒂安∙哈裏森 v August Holmgren [433] | 6-4,6-4 | |
| 費爾菲爾德挑戰賽 | 10/09 17:00 | 19 | [376] Evan Zhu v August Holmgren [433] | 6-7,4-6 | |
| 費爾菲爾德挑戰賽 | 10/08 18:15 | 14 | Mili Poljicak v August Holmgren | 2-6,4-6 | |
| 挑戰者 提布隆 | 10/01 17:00 | 14 | [425] 亞歷山大•庫茲比諾夫 v August Holmgren [412] | 6-3,6-4 | |
| 查爾斯頓挑戰賽 | 09/27 14:00 | 25 | [250] 阿齊茲 Dougaz v August Holmgren [412] | 6-3,6-4 | |
| 查爾斯頓挑戰賽 | 09/25 14:00 | 19 | [399] 費德裏科•阿古斯丁•戈麥斯 v August Holmgren [409] | 0-6,5-7 | |
| 查爾斯頓挑戰賽 | 09/24 17:10 | 14 | 布雷登•斯科魯爾 v August Holmgren | 7-6,5-7,6-7 | |
| 戴維斯盃 | 09/16 15:40 | 5 | August Holmgren v 蒂亞戈•莫拉蒙泰羅 | Cancelled | |
| 戴維斯盃 | 09/15 17:25 | 2 | [412] August Holmgren v 蒂亞戈 Seyboth 瓦爾德 [76] | 4-6,2-6 | |
| 卡西斯挑戰賽 | 09/05 13:15 | 25 | [411] August Holmgren v 朱利葉斯•澤皮耶里 [136] | 3-6,3-6 | |
| 卡西斯挑戰賽 | 09/04 09:55 | 19 | [411] August Holmgren v 埃爾默•莫勒 [427] | 6-3,6-2 | |
| 卡西斯挑戰賽 | 09/03 12:10 | 14 | August Holmgren v Leonardo Rossi | 7-6,6-3 | |
| 馬略卡挑戰賽 | 08/29 08:00 | - | [326] 馬克西姆•延維爾 v August Holmgren [411] | 6-3,6-4 | |
| 馬略卡挑戰賽 | 08/28 10:20 | 14 | Ivan Ivanov v August Holmgren | 4-6,5-7 |
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.