| ITF W75 Vero Beach | 01/24 19:45 | 25 | 밥티스트, 하일레이 v 라미알리슨, 이리나 | 6-2,6-1 | |
| Australian Open Women | 01/12 02:00 | 19 | [172] Ella Seidel v 밥티스트, 하일레이 [131] | 6-0,6-4 | |
| Australian Open Women | 01/11 04:05 | 15 | [150] 하르토노, 아리안 v 밥티스트, 하일레이 [131] | 2-6,4-6 | |
| Australian Open Women | 01/10 04:45 | 14 | [246] 멘데즈, 세온 v 밥티스트, 하일레이 [131] | 3-6,1-6 | |
| Brisbane, Australia | 01/02 12:45 | 24 | [129] 밥티스트, 하일레이 v Collins, Danielle [54] | 1-6,6-4,3-6 | |
| Brisbane, Australia | 12/30 01:45 | 19 | [131] 밥티스트, 하일레이 v 란셀, 소피아 [201] | 6-3,7-5 | |
| Brisbane, Australia | 12/29 01:00 | 14 | [131] 밥티스트, 하일레이 v Knutson, Gabriela Andrea [163] | 6-1,6-0 | |
| ITF W100 Charleston | 11/11 16:00 | 28 | [38] 나바로, 에마 v 밥티스트, 하일레이 [131] | 6-2,6-1 | |
| ITF W100 Charleston | 11/10 16:45 | 27 | [131] 밥티스트, 하일레이 v 만드리크, 엘리자베스 [127] | 6-2,4-6,6-1 | |
| ITF W100 Charleston | 11/09 17:15 | 26 | [131] 밥티스트, 하일레이 v 맥카두, 라시다 [261] | 6-2,2-6,6-4 | |
| ITF W100 Charleston | 11/08 15:00 | 25 | [131] 밥티스트, 하일레이 v Kozyreva, Maria [498] | 7-6,1-6,6-4 | |
| WTA Midland | 11/03 18:00 | 27 | [115] 칼린스카야, 안나 v 밥티스트, 하일레이 [136] | 7-6,4-6,7-6 | |
| WTA Midland | 11/01 23:00 | 26 | [136] 밥티스트, 하일레이 v 스테아른스, 페이톤 [48] | 6-2,6-7,6-2 | |
| WTA Midland | 10/31 17:55 | 25 | [366] 후, 빅토리아 v 밥티스트, 하일레이 [136] | 5-7,5-7 | |
| WTA Tampico | 10/27 00:45 | 26 | [108] 볼리네트, 캐티 v 밥티스트, 하일레이 [136] | 6-7,6-3,6-1 | |
| WTA Tampico | 10/24 01:00 | 25 | [444] 스코트, 카트리나 v 밥티스트, 하일레이 [136] | 1-6,7-6,4-6 | |
| ITF W80 Macon | 10/19 13:50 | 26 | [134] 밥티스트, 하일레이 v 세르반, 라루카 게오르지아나 [170] | 7-6,6-7,4-6 | |
| ITF W80 Macon | 10/17 20:20 | 25 | [134] 밥티스트, 하일레이 v 치리코, 로우이사 [256] | 6-0,6-2 | |
| ITF W60 Rome GA | 10/04 14:00 | 25 | 후, 빅토리아 v 밥티스트, 하일레이 | Cancelled | |
| ITF W60 Templeton | 09/28 21:05 | 26 | [310] 케슬러, 매카트니 v 밥티스트, 하일레이 [137] | 3-6,6-3,6-1 | |
| ITF W60 Templeton | 09/28 01:00 | 25 | [368] Veronika Miroshnichenko v 밥티스트, 하일레이 [137] | 6-7,6-1,4-6 | |
| WTA Guadalajara | 09/20 17:00 | 26 | [174] 밥티스트, 하일레이 v 가르시아, 카롤린 [11] | 5-7,4-6 | |
| WTA Guadalajara | 09/18 18:30 | 25 | [36] 필리스코바, 카롤리나 v 밥티스트, 하일레이 [174] | 6-7,7-5,6-7 | |
| WTA Guadalajara | 09/17 18:50 | 24 | 밥티스트, 하일레이 v Lya I F Olivares | 6-2,6-1 | |
| WTA San Diego | 09/10 22:20 | 19 | [77] 프레치, 마그달레나 v 밥티스트, 하일레이 [171] | 6-4,6-7,6-4 | |
| WTA San Diego | 09/10 02:25 | 14 | [393] 후, 빅토리아 v 밥티스트, 하일레이 [171] | 4-6,0-6 | |
| US Open Women | 08/23 15:00 | 14 | [85] 쉬나이더, 디아나 v 밥티스트, 하일레이 [171] | 6-3,6-4 | |
| WTA Stanford | 08/14 20:50 | 25 | [170] 밥티스트, 하일레이 v 우치지마, 모유카 [191] | 6-7,2-6 | |
| WTA Stanford | 08/13 19:35 | 19 | [174] 밥티스트, 하일레이 v 혼타마, 마이 [184] | 6-3,2-6,2-6 | |
| WTA Stanford | 08/12 22:15 | 14 | 밥티스트, 하일레이 v 블로크히나, 알렉시스 | 6-7,7-6,6-1 |
Hailey Baptiste (born November 3, 2001) is an American professional tennis player. On 18 March 2024, she reached her best singles ranking of world No. 96. She has won one doubles title on the WTA Tour with one doubles title on the WTA Challenger Tour. She has also won four singles and three doubles titles on the ITF Women's Circuit.
On the junior tour, she reached a career-high ranking of No. 38 on January 29, 2018. She ended runner-up at the US Open junior doubles' tournament in 2018.
Baptiste made her WTA Tour main draw debut at her hometown tournament, the 2019 Citi Open in Washington, beating Grand Slam finalist and former top-ten player Madison Keys in the first round.
Baptiste made her World TeamTennis debut in 2020 with the Vegas Rollers as an alternate, later ending up on the roster for the New York Empire in the 2020 season at The Greenbrier.
She made her WTA 1000 debut at the 2021 Miami Open after reaching the main draw having received a wildcard for the qualifying competition.
She received a wildcard for the main draw at the 2023 Miami Open.
At the WTA 1000 Guadalajara Open, she defeated 16th seed Karolína Plíšková for the second time in the season having prevailed also earlier at the Washington Open.
Following her first round main-draw win as a qualifier at the 2024 Indian Wells Open, over fellow American qualifier Robin Montgomery, she reached the top 100 in the rankings on 18 March 2024. She received a wildcard for the main draw at the 2024 Miami Open.