| WTA Auckland | 12/29 22:00 | 45 | [138] Viktoria Hruncakova v Mattek-Sands, Bethanie [51] | 6-1,6-3 | |
| WTA Seoul | 10/07 03:25 | 14 | [63] Mattek-Sands, Bethanie v Ksenia Zaytseva [412] | 6-2,5-7,4-6 | |
| WTA - Doha | 02/11 08:00 | 14 | [309] Mattek-Sands, Bethanie v Aliaksandra Sasnovich [38] | 2-6,4-6 | |
| WTA - Hua Hin | 01/31 10:15 | 25 | [51] Linda Fruhvirtova v Mattek-Sands, Bethanie [377] | 6-3,6-1 | |
| WTA Colina | 11/07 20:25 | 25 | Mattek-Sands, Bethanie v Kovinic, Danka | 0-6,3-6 | |
| WTA Colina | 11/06 16:00 | 19 | Xiaodi You v Mattek-Sands, Bethanie | 6-7,2-6 | |
| WTA Guadalajara | 10/15 19:20 | 14 | Lauren Davis v Mattek-Sands, Bethanie | 6-2,6-4 | |
| WTA Chicago | 09/26 15:00 | - | [110] Magdalena Frech v Mattek-Sands, Bethanie [342] | 6-2,6-2 | |
| WTA Chicago | 09/25 17:05 | 25 | [342] Mattek-Sands, Bethanie v Alycia Parks [244] | 6-3,6-4 | |
| WTA Cleveland | 08/25 22:00 | 26 | [363] Mattek-Sands, Bethanie v Shuai Zhang [49] | 4-6,6-7 | |
| WTA Cleveland | 08/23 19:00 | 25 | [9] Ena Shibahara v Mattek-Sands, Bethanie [363] | 4-6,6-3,1-6 | |
| WTA Cleveland | 08/23 18:30 | 25 | Samsonova, Liudmila v Mattek-Sands, Bethanie | Cancelled | |
| WTA - Stuttgart | 04/17 10:20 | 14 | [97] Varvara Gracheva v Mattek-Sands, Bethanie [266] | 6-2,7-5 | |
| WTA - Miami | 03/23 17:50 | 19 | [95] Stojanovic, Nina v Mattek-Sands, Bethanie [292] | 6-4,6-3 | |
| WTA - Miami | 03/22 21:35 | 14 | [292] Mattek-Sands, Bethanie v Sara Errani [111] | 6-4,3-6,6-4 | |
| WTA - Dubaï | 03/06 13:15 | 14 | [72] Irina-Camelia Begu v Mattek-Sands, Bethanie [299] | 7-6,4-6,6-0 | |
| WTA - Doha | 03/01 12:45 | 19 | [299] Mattek-Sands, Bethanie v Anna Blinkova [69] | 2-6,3-6 | |
| WTA - Doha | 02/28 13:25 | 15 | Mattek-Sands, Bethanie v Shvedova, Yaroslava | 6-2,7-5 | |
| WTA - Doha | 02/27 09:40 | 14 | [60] Patricia Maria Tig v Mattek-Sands, Bethanie [299] | 3-6,2-6 | |
| WTA Grampians Trophy | 02/05 02:00 | 26 | [339] Mattek-Sands, Bethanie v Kontaveit, Anett [23] | 5-7,5-7 | |
| WTA Grampians Trophy | 02/02 23:30 | 25 | [38] Srtycova, Barbora v Mattek-Sands, Bethanie [339] | 6-7,2-6 | |
| ITF W100 Charleston | 11/04 15:00 | 25 | [156] Magdalena Frech v Mattek-Sands, Bethanie [343] | 4-6,7-5,6-3 | |
| ITF W100 Charleston | 11/03 15:00 | 54 | [343] Mattek-Sands, Bethanie v Anna Danilina [279] | 5-7,6-4,10-7 | |
| ITF W100 Charleston | 11/02 18:25 | 54 | [161] Arruabarrena, L. v Mattek-Sands, Bethanie [343] | 6-2,0-6,4-10 | |
| WTA Ostrava | 10/17 15:35 | 45 | [343] Mattek-Sands, Bethanie v Daria Kasatkina [75] | 4-6,2-6 | |
| WTA Lexington | 08/11 17:30 | 25 | [135] Govortsova, Olga v Mattek-Sands, Bethanie [358] | 7-6,6-1 | |
| WTA Lexington | 08/10 19:15 | 168 | [197] Robin Anderson v Mattek-Sands, Bethanie [358] | 3-6,6-4,5-7 | |
| WTA Lexington | 08/09 20:55 | 45 | [352] Mattek-Sands, Bethanie v Varvara Lepchenko [178] | 6-4,7-6 | |
| US Invitational Women | 06/28 18:00 | 1 | [352] Mattek-Sands, Bethanie v Shelby Rogers [113] | 5-7,5-7 | |
| US Invitational Women | 06/24 21:20 | 1 | [352] Mattek-Sands, Bethanie v Monica Puig [90] | 6-1,6-3 |