Match log updated: 2026-08-15 10:32 UTC
Kayla Day — WTA Match Log
Main draw matches: 37 | W: 9 | L: 28 | Win %: 24.3%
52 qualifying matches shown below; qualifying is excluded from main-draw summaries and leaderboards.
| Opponent | Score | Result | H2H | Match Data | Date ↑ | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|---|
| Naomi Broady | 6-2 6-3 | W | H2H | Match data | Aug 19, 2016 | Q1 | New Haven | WTA 500 | Hard |
| Kirsten Flipkens | 3-6 6-4 3-1 | W | H2H | Match data | Aug 20, 2016 | Q2 | New Haven | WTA 500 | Hard |
| Anastasija Sevastova | 1-6 7-6(4) 2-6 | L | H2H | Match data | Aug 21, 2016 | Q3 | New Haven | WTA 500 | Hard |
| Ana Konjuh | 0-6 3-6 | L | H2H | Match data | Aug 24, 2016* | R32 | New Haven | WTA 500 | Hard |
| Madison Brengle | 6-2 4-2 (ret.) | W | H2H | Match data | Aug 31, 2016* | R128 | US Open | Grand Slam | Hard |
| Madison Keys | 1-6 1-6 | L | H2H | Match data | Sep 1, 2016* | R64 | US Open | Grand Slam | Hard |
| Andrea Petkovic | 3-6 2-6 | L | H2H | Match data | Jan 18, 2017* | R128 | Australian Open | Grand Slam | Hard |
| Kurumi Nara | 6-3 6-4 | W | H2H | Match data | Mar 10, 2017* | R128 | Indian Wells Open | WTA 1000 | Hard |
| Mirjana Lucic-Baroni | 6-4 5-7 7-5 | W | H2H | Match data | Mar 11, 2017* | R64 | Indian Wells Open | WTA 1000 | Hard |
| Garbiñe Muguruza | 6-3 5-7 2-6 | L | H2H | Match data | Mar 13, 2017* | R32 | Indian Wells Open | WTA 1000 | Hard |
| Donna Vekic | 6-4 2-6 4-6 | L | H2H | Match data | Mar 20, 2017 | Q1 | Miami Open | WTA 1000 | Hard |
| Alison Riske-Amritraj | 5-7 6-4 0-6 | L | H2H | Match data | Apr 5, 2017* | R64 | Charleston Open | WTA 500 | Clay |
| Misaki Doi | 6-4 6-2 | W | H2H | Match data | Aug 3, 2017* | R32 | Stanford | WTA 500 | Hard |
| Garbiñe Muguruza | 2-6 0-6 | L | H2H | Match data | Aug 4, 2017* | R16 | Stanford | WTA 500 | Hard |
| Varvara Lepchenko | 4-6 4-6 | L | H2H | Match data | Aug 12, 2017 | Q1 | Cincinnati Open | WTA 1000 | Hard |
| Natalia Vikhlyantseva | 3-6 2-6 | L | H2H | Match data | Aug 18, 2017 | Q1 | New Haven | WTA 500 | Hard |
| Shelby Rogers | 2-6 6-4 4-6 | L | H2H | Match data | Aug 30, 2017* | R128 | US Open | Grand Slam | Hard |
| Isabelle Wallace | 7-6(3) 6-2 | W | H2H | Match data | Oct 7, 2017 | Q1 | Linz Open | WTA 500 | Clay |
| Mihaela Buzarnescu | 3-6 4-6 | L | H2H | Match data | Oct 8, 2017 | Q2 | Linz Open | WTA 500 | Clay |
| Annika Beck | 1-6 6-3 6-2 | W | H2H | Match data | Oct 14, 2017 | Q1 | Luxembourg | WTA 250 | Hard |
| Pauline Parmentier | 4-6 3-6 | L | H2H | Match data | Oct 15, 2017 | Q2 | Luxembourg | WTA 250 | Hard |
| Sara Tomic | 1-6 1-6 | L | H2H | Match data | Dec 29, 2017 | Q1 | Brisbane International | WTA 500 | Hard |
| Arantxa Rus | 6-4 1-6 0-6 | L | H2H | Match data | Feb 27, 2018 | R32 | Acapulco | WTA 250 | Hard |
| Yanina Wickmayer | 3-6 2-6 | L | H2H | Match data | Mar 9, 2018* | R128 | Indian Wells Open | WTA 1000 | Hard |
| Anastasia Rodionova | 7-6(4) 6-7(0) 6-4 | W | H2H | Match data | Mar 31, 2018 | Q1 | Charleston Open | WTA 500 | Clay |
| Georgina Garcia Perez | 2-6 7-6(3) 4-6 | L | H2H | Match data | Apr 1, 2018 | Q2 | Charleston Open | WTA 500 | Clay |
| Bibiane Schoofs | 7-5 6-7(1) 6-3 | W | H2H | Match data | Mar 30, 2019 | Q1 | Charleston Open | WTA 500 | Clay |
| Francesca Di Lorenzo | 4-6 4-6 | L | H2H | Match data | Mar 31, 2019 | Q2 | Charleston Open | WTA 500 | Clay |
| Carol Zhao | 6-4 3-6 7-6(6) | W | H2H | Match data | Jul 30, 2022 | Q1 | San Jose | WTA 500 | Hard |
| Grace Min | 6-2 1-6 6-4 | W | H2H | Match data | Jul 31, 2022 | Q2 | San Jose | WTA 500 | Hard |
| Caroline Dolehide | 6-7(5) 4-6 | L | H2H | Match data | Aug 4, 2022* | R32 | San Jose | WTA 500 | Hard |
| Julia Grabher | 6-2 4-6 6-4 | W | H2H | Match data | Oct 15, 2022 | Q1 | Guadalajara Open | WTA 1000 | Hard |
| Coco Vandeweghe | 5-7 7-5 4-2 | W | H2H | Match data | Oct 16, 2022 | Q2 | Guadalajara Open | WTA 1000 | Hard |
| Eugenie Bouchard | 5-7 3-6 | L | H2H | Match data | Oct 19, 2022* | R64 | Guadalajara Open | WTA 1000 | Hard |
| Elina Avanesyan | 6-7(3) 4-6 | L | H2H | Match data | Feb 25, 2023 | Q1 | Atx Open | WTA 250 | Hard |
| Gabriela Lee | 6-2 7-6(5) | W | H2H | Match data | Apr 1, 2023 | Q1 | Charleston Open | WTA 500 | Clay |
| Ann Li | 6-2 6-4 | W | H2H | Match data | Apr 2, 2023 | Q2 | Charleston Open | WTA 500 | Clay |
| Sachia Vickery | 4-6 2-6 | L | H2H | Match data | Apr 5, 2023* | R64 | Charleston Open | WTA 500 | Clay |
| Kristina Mladenovic | 7-5 6-1 | W | H2H | Match data | May 30, 2023* | R128 | Roland Garros | Grand Slam | Clay |
| Madison Keys | 6-2 4-6 6-4 | W | H2H | Match data | Jun 1, 2023* | R64 | Roland Garros | Grand Slam | Clay |
| Anna Karolina Schmiedlova | 1-6 3-6 | L | H2H | Match data | Jun 3, 2023* | R32 | Roland Garros | Grand Slam | Clay |
| Magdalena Frech | 2-6 (ret.) | L | H2H | Match data | Jul 29, 2023 | Q1 | Washington Open | WTA 500 | Hard |
| Louisa Chirico | 6-2 6-2 | W | H2H | Match data | Aug 5, 2023 | Q1 | Canadian Open | WTA 1000 | Hard |
| Sachia Vickery | 6-2 1-6 6-3 | W | H2H | Match data | Aug 6, 2023 | Q2 | Canadian Open | WTA 1000 | Hard |
| Marie Bouzkova | 6-7(1) 3-6 | L | H2H | Match data | Aug 9, 2023* | R64 | Canadian Open | WTA 1000 | Hard |
| Sorana Cirstea | 2-6 3-6 | L | H2H | Match data | Aug 30, 2023* | R128 | US Open | Grand Slam | Hard |
| Maria Herazo | 6-1 6-3 | W | H2H | Match data | Sep 9, 2023 | Q1 | San Diego | WTA 500 | Hard |
| Camila Osorio | 7-5 4-6 3-6 | L | H2H | Match data | Sep 10, 2023 | Q2 | San Diego | WTA 500 | Hard |
| Moyuka Uchijima | 6-2 6-2 | W | H2H | Match data | Sep 28, 2023* | R32 | Pan Pacific Open | WTA 500 | Hard |
| Cristina Bucsa | 6-2 2-6 1-6 | L | H2H | Match data | Sep 29, 2023 | Q1 | China Open | WTA 1000 | Hard |
| Veronika Kudermetova | 3-6 3-6 | L | H2H | Match data | Sep 29, 2023* | R16 | Pan Pacific Open | WTA 500 | Hard |
| Marie Bouzkova | 4-6 4-6 | L | H2H | Match data | Oct 12, 2023* | R32 | Korea Open | WTA 250 | Hard |
| Yue Yuan | 6-7(1) 7-6(5) 1-6 | L | H2H | Match data | Jan 4, 2024* | R32 | ASB Classic | WTA 250 | Hard |
| Viktoriya Tomova | 6-3 0-6 3-6 | L | H2H | Match data | Jan 6, 2024 | Q1 | Hobart International | WTA 250 | Hard |
| Viktoriya Tomova | 4-6 2-6 | L | H2H | Match data | Jan 16, 2024* | R128 | Australian Open | Grand Slam | Hard |
| Madison Sieg | 6-3 6-3 | W | H2H | Match data | Feb 24, 2024 | Q1 | San Diego | WTA 500 | Hard |
| Ann Li | 3-6 0-6 | L | H2H | Match data | Feb 25, 2024 | Q2 | San Diego | WTA 500 | Hard |
| Alycia Parks | 6-1 6-4 | W | H2H | Match data | Mar 3, 2024 | Q1 | Indian Wells Open | WTA 1000 | Hard |
| Erika Andreeva | 1-6 6-3 3-6 | L | H2H | Match data | Mar 5, 2024 | Q2 | Indian Wells Open | WTA 1000 | Hard |
| Nadia Podoroska | 6-7(3) 4-6 | L | H2H | Match data | Mar 9, 2024* | R64 | Indian Wells Open | WTA 1000 | Hard |
| Emiliana Arango | 5-7 7-5 4-6 | L | H2H | Match data | Mar 17, 2024 | Q1 | Miami Open | WTA 1000 | Hard |
| Caroline Dolehide | 3-6 6-0 4-6 | L | H2H | Match data | Apr 3, 2024* | R64 | Charleston Open | WTA 500 | Clay |
| Zhuoxuan Bai | 3-6 6-7(4) | L | H2H | Match data | May 22, 2024* | R32 | Morocco Open | WTA 250 | Clay |
| Hailey Baptiste | 6-4 2-6 2-6 | L | H2H | Match data | May 28, 2024* | R128 | Roland Garros | Grand Slam | Clay |
| Heather Watson | 6-4 0-6 4-6 | L | H2H | Match data | Jun 13, 2024* | R32 | Nottingham Open | WTA 250 | Grass |
| Arina Rodionova | 6-0 6-3 | W | H2H | Match data | Jun 15, 2024 | Q1 | Berlin Open | WTA 500 | Grass |
| Veronika Kudermetova | 1-6 1-6 | L | H2H | Match data | Jun 16, 2024 | Q2 | Berlin Open | WTA 500 | Grass |
| Amarni Banks | 6-7(6) 3-6 | L | H2H | Match data | Jun 26, 2024 | Q3 | Wimbledon | Grand Slam | Grass |
| Rebeka Masarova | 3-6 7-5 7-5 | W | H2H | Match data | Aug 4, 2024 | Q1 | Canadian Open | WTA 1000 | Hard |
| Moyuka Uchijima | 6-4 6-7(5) 2-6 | L | H2H | Match data | Aug 5, 2024 | Q2 | Canadian Open | WTA 1000 | Hard |
| Aleksandra Krunic | 4-6 7-6(5) 3-6 | L | H2H | Match data | Sep 7, 2024 | Q1 | Guadalajara Open | WTA 500 | Hard |
| Madison Brengle | 2-6 4-6 | L | H2H | Match data | Feb 21, 2026 | Q1 | Atx Open | WTA 250 | Hard |
| Aliaksandra Sasnovich | 6-2 7-5 | W | H2H | Match data | Mar 1, 2026 | Q1 | Indian Wells Open | WTA 1000 | Hard |
| Darja Semenistaja | 6-2 6-1 | W | H2H | Match data | Mar 3, 2026 | Q2 | Indian Wells Open | WTA 1000 | Hard |
| Francesca Jones | 6-3 6-1 | W | H2H | Match data | Mar 5, 2026 | R128 | Indian Wells Open | WTA 1000 | Hard |
| Iga Swiatek | 0-6 6-7(2) | L | H2H | Match data | Mar 7, 2026 | R64 | Indian Wells Open | WTA 1000 | Hard |
| Haley Giavara | 6-0 6-2 | W | H2H | Match data | Mar 28, 2026 | Q1 | Charleston Open | WTA 500 | Clay |
| Yue Yuan | 6-1 6-4 | W | H2H | Match data | Mar 29, 2026 | Q2 | Charleston Open | WTA 500 | Clay |
| Paula Badosa | 4-6 3-6 | L | H2H | Match data | Mar 31, 2026 | R64 | Charleston Open | WTA 500 | Clay |
| Oceane Dodin | 4-6 6-2 6-7 | L | H2H | Match data | May 18, 2026 | Q3 | Roland Garros | Grand Slam | Clay |
| Cadence Brace | 6-4 6-3 | W | H2H | Match data | Jun 23, 2026 | Q3 | Wimbledon | Grand Slam | Grass |
| Erika Andreeva | 6-2 6-2 | W | H2H | Match data | Jun 24, 2026 | Q3 | Wimbledon | Grand Slam | Grass |
| Katarzyna Kawa | 6-2 7-5 | W | H2H | Match data | Jun 25, 2026 | Q3 | Wimbledon | Grand Slam | Grass |
| Madison Keys | 7-6(5) 4-6 3-6 | L | H2H | Match data | Jun 30, 2026 | R128 | Wimbledon | Grand Slam | Grass |
| Hanyu Guo | 7-5 6-2 | W | H2H | Match data | Aug 1, 2026 | Q1 | Canadian Open | WTA 1000 | Hard |
| Diane Parry | 3-6 6-3 7-5 | W | H2H | Match data | Aug 3, 2026 | R128 | Canadian Open | WTA 1000 | Hard |
| Coco Gauff | 2-6 5-7 | L | H2H | Match data | Aug 5, 2026 | R64 | Canadian Open | WTA 1000 | Hard |
| Taylah Preston | 6-3 6-2 | W | H2H | Match data | Aug 11, 2026 | Q1 | Cincinnati Open | WTA 1000 | Hard |
| Yue Yuan | 2-6 7-5 6-3 | W | H2H | Match data | Aug 12, 2026 | Q2 | Cincinnati Open | WTA 1000 | Hard |
* Estimated from the tournament schedule because an exact match date is unavailable.