| WTA Lugano | 04/13 11:00 | 26 | [52] Marketa Vondrousova v Elise Mertens [20] | 2-6,7-5,5-7 | |
| WTA Lugano | 04/10 10:00 | 25 | [301] Mandy Minella v Elise Mertens [20] | 4-6,1-6 | |
| WTA Miami | 03/25 15:00 | 25 | [21] Elise Mertens v Johanna Konta [14] | 2-6,1-6 | |
| WTA Miami | 03/23 22:00 | 24 | [21] Elise Mertens v Bernarda Pera [105] | 7-6,6-3 | |
| WTA Indian Wells | 03/09 19:00 | 24 | Elise Mertens v Qiang Wang | 6-4,3-6,3-6 | |
| WTA Dubai | 02/20 10:00 | 25 | Catherine Bellis v Elise Mertens | 6-3,6-3 | |
| WTA Doha | 02/14 14:00 | 25 | Elise Mertens v Sorana Cirstea | 5-7,4-6 | |
| WTA Doha | 02/13 15:35 | 24 | Elise Mertens v Timea Babos | 2-6,6-1,6-1 | |
| 2018 Fed Cup | 02/11 11:45 | 27 | Kristina Mladenovic v Elise Mertens | 6-4,6-4 | |
| 2018 Fed Cup | 02/10 13:00 | 27 | Pauline Parmentier v Elise Mertens | 2-6,1-6 | |
| Australian Open - Damer | 01/25 03:00 | 28 | Elise Mertens v Caroline Wozniacki | 3-6,6-7 | |
| Australian Open - Damer | 01/23 02:00 | 27 | Elise Mertens v Elina Svitolina | 6-4,6-0 | |
| Australian Open - Damer | 01/21 05:20 | 26 | Petra Martic v Elise Mertens | 6-7,5-7 | |
| Australian Open - Damer | 01/19 02:20 | 25 | Elise Mertens v Alize Cornet | 7-5,6-4 | |
| Australian Open - Damer | 01/17 12:50 | 24 | Daria Gavrilova v Elise Mertens | 5-7,3-6 | |
| Australian Open - Damer | 01/15 07:55 | 23 | Viktoria Kuzmova v Elise Mertens | 2-6,1-6 | |
| WTA Hobart | 01/13 01:00 | 29 | Mihaela Buzarnescu v Elise Mertens | 1-6,6-4,3-6 | |
| WTA Hobart | 01/12 03:00 | 28 | Heather Watson v Elise Mertens | 4-6,6-1,2-6 | |
| WTA Hobart | 01/11 02:15 | 27 | Monica Niculescu v Elise Mertens | Walkover | |
| WTA Hobart | 01/09 03:55 | 26 | Beatriz Haddad Maia v Elise Mertens | 4-6,4-6 | |
| WTA Hobart | 01/08 03:35 | 25 | Kurumi Nara v Elise Mertens | 0-6,4-6 | |
| Hopman Cup - Damer | 01/05 02:00 | 1 | Elise Mertens v Eugenie Bouchard | 6-4,6-4 | |
| Hopman Cup - Damer | 01/03 09:30 | 1 | Daria Gavrilova v Elise Mertens | 6-2,4-6,2-6 | |
| Hopman Cup - Damer | 01/01 09:15 | 1 | Elise Mertens v Angelique Kerber | 6-7,6-7 | |
| WTA Luxembourg | 10/20 18:20 | 28 | [69] Monica Puig v Elise Mertens [38] | 6-2,7-5 | |
| WTA Luxembourg | 10/19 18:20 | 27 | [81] Heather Watson v Elise Mertens [38] | 4-6,4-6 | |
| WTA Luxembourg | 10/18 08:00 | 26 | [85] Madison Brengle v Elise Mertens [38] | 2-6,6-0,3-6 | |
| WTA Luxembourg | 10/16 12:15 | 25 | [95] Sara Sorribes Tormo v Elise Mertens [38] | 0-6,2-6 | |
| WTA Beijing | 10/04 04:30 | 25 | [15] Caroline Garcia v Elise Mertens [38] | 7-6,6-4 | |
| WTA Beijing | 10/02 10:20 | 24 | [38] Elise Mertens v Dominika Cibulkova [10] | 7-6,6-1 |
Wikipedia - Elise Mertens
Elise Mertens (Dutch pronunciation: [ˈmɛrtəns]; born 17 November 1995) is a Belgian professional tennis player and former world No.1 in doubles. She reached world No. 1 for the first time in May 2021, the third Belgian to hold the top ranking in either singles or doubles after Kim Clijsters and Justine Henin. Mertens is a four-time Major champion in doubles, having won the 2019 US Open and 2021 Australian Open partnering Aryna Sabalenka, and the 2021 Wimbledon Championships and 2024 Australian Open with Hsieh Su-wei. She also finished runner-up at the 2022 Wimbledon Championships with Zhang Shuai and at the 2023 Wimbledon Championships with Storm Hunter.
Mertens has won 20 doubles titles on the WTA Tour, including the 2022 WTA Finals with Veronika Kudermetova, six at the WTA 1000 level, and finished runner-up at the 2021 WTA Finals alongside Hsieh.
Mertens is also a successful singles player, and reached her first major semifinal at the 2018 Australian Open, followed by two US Open quarterfinals in 2019 and 2020. Mertens achieved her career-high singles ranking of world No. 12 in November 2018, and has won eight WTA Tour titles, including two at the WTA 500 level. She has represented Belgium in the Billie Jean King Cup since 2017, and competed at the 2020 Tokyo Olympics in both singles and doubles.