| WTA Monterrey | 04/01 17:15 | 54 | [176] Beatriz Haddad Maia v Greta Arn [403] | 6-4,7-5 | |
| WTA Monterrey | 03/31 19:20 | 46 | [151] Beatriz Haddad Maia v Andrea Gamiz [351] | 6-1,6-4 | |
| WTA Monterrey | 03/30 18:15 | 45 | [151] Beatriz Haddad Maia v Marcela Zacarias [410] | 6-2,6-4 | |
| WTA Miami | 03/20 14:00 | 45 | [96] Taylor Townsend v Beatriz Haddad Maia [151] | 6-1,6-4 | |
| WTA Miami | 03/18 16:45 | 44 | [151] Beatriz Haddad Maia v Anna Blinkova [109] | 2-6,6-3,6-2 | |
| WTA Acapulco | 02/28 22:00 | 27 | [172] Beatriz Haddad Maia v Yafan Wang [65] | 3-6,4-6 | |
| WTA Acapulco | 02/27 22:00 | 26 | [4] Sloane Stephens v Beatriz Haddad Maia [172] | 3-6,3-6 | |
| WTA Acapulco | 02/26 01:30 | 25 | [172] Beatriz Haddad Maia v Irina Bara [177] | 6-0,6-2 | |
| WTA Acapulco | 02/24 22:00 | 64 | [368] Giuliana Olmos v Beatriz Haddad Maia [172] | 3-6,6-3,3-6 | |
| WTA Acapulco | 02/23 22:00 | 45 | [172] Beatriz Haddad Maia v Kimberly Birrell [157] | 6-1,6-1 | |
| 2019 Fed Cup | 02/09 16:25 | 29 | [149] Veronica C Royg v Beatriz Haddad Maia [172] | 2-6,3-6 | |
| 2019 Fed Cup | 02/08 16:55 | - | [317] Victoria Bosio v Beatriz Haddad Maia [172] | 6-7,7-5,7-6 | |
| 2019 Fed Cup | 02/07 16:20 | - | [172] Beatriz Haddad Maia v Monica Puig [58] | 6-2,4-6,4-6 | |
| 2019 Fed Cup | 02/06 17:30 | 1 | [172] Beatriz Haddad Maia v Daniela Seguel [305] | 6-3,6-2 | |
| ITF W60 Burnie | 01/21 23:00 | 25 | [195] Beatriz Haddad Maia v Georgina Garcia-Perez [144] | 1-6,4-6 | |
| Australian Open Women | 01/16 08:00 | 24 | [195] Beatriz Haddad Maia v Angelique Kerber [2] | 2-6,3-6 | |
| Australian Open Women | 01/14 02:40 | 23 | [195] Beatriz Haddad Maia v Bernarda Pera [68] | 6-3,5-7,6-4 | |
| Australian Open Women | 01/10 23:00 | 46 | [125] Jennifer Brady v Beatriz Haddad Maia [176] | 3-6,4-6 | |
| Australian Open Women | 01/10 00:45 | 45 | [176] Beatriz Haddad Maia v Kaja Juvan [180] | 6-3,6-4 | |
| Australian Open Women | 01/07 23:00 | 44 | [157] Lauren Davis v Beatriz Haddad Maia [176] | 3-6,3-6 | |
| WTA Auckland | 12/31 00:10 | 54 | [185] Beatriz Haddad Maia v Bibiane Schoofs [178] | 6-7,2-6 | |
| WTA Auckland | 12/30 00:25 | 46 | [146] Ysaline Bonaventure v Beatriz Haddad Maia [185] | 5-7,6-4,6-7 | |
| WTA Auckland | 12/29 02:55 | 45 | [185] Beatriz Haddad Maia v Kaja Juvan [175] | 3-6,6-4,6-2 | |
| WTA Houston | 11/13 19:40 | 25 | [186] Beatriz Haddad Maia v Shuai Peng [296] | 7-6,5-7,1-6 | |
| ITF Women Las Vegas | 11/07 21:00 | 25 | [184] Beatriz Haddad Maia v Veronica Cepede Royg [146] | 5-7,3-6 | |
| ITF Women Tyler | 11/04 17:30 | 29 | [309] Whitney Osuigwe v Beatriz Haddad Maia [235] | 6-3,6-4 | |
| ITF Women Tyler | 11/03 17:00 | 28 | [235] Beatriz Haddad Maia v Danielle Lao [181] | 6-2,6-3 | |
| ITF Women Tyler | 11/02 23:10 | 27 | [239] Sesil Karatantcheva v Beatriz Haddad Maia [235] | 1-6,6-3,5-7 | |
| ITF Women Tyler | 11/01 19:05 | 26 | [235] Beatriz Haddad Maia v Louisa Chirico [482] | 7-6,6-4 | |
| ITF Women Tyler | 10/30 16:45 | 25 | [281] Gail Brodsky v Beatriz Haddad Maia [235] | 6-1,5-7,3-6 |