ATP. Barcelona Open |
23-04-2021 |
| 11:00 | 1.65 Rajeev Ram/Joe Salisbury | 2.08 Kevin Krawietz/Horia Tecau | | + 1 1 |
| | | |
Challenger. Rome (mens) |
23-04-2021 |
| 11:00 | 2.11 Elias Ymer | 1.63 Juan Pablo Varillas | | + 18 18 |
| | | |
| 11:00 | 3.54 Tristan Lamasine | 1.24 Hugo Gaston | | + 17 17 |
| | | |
WTA. Istanbul Open |
23-04-2021 |
| 12:00 | 2.3 Ana Konjuh | 1.57 Marta Kostyuk | | + 24 24 |
| | | |
ATP. Barcelona Open |
23-04-2021 |
| 12:30 | 1.72 Jannik Sinner | 2.05 Andrey Rublev | | + 26 26 |
| | | |
Challenger. Rome (mens) |
23-04-2021 |
| 12:30 | 2.07 Andrea Pellegrino | 1.66 Sebastian Ofner | | + 18 18 |
| | | |
ATP. Serbia Open |
23-04-2021 |
| 13:00 | 2 Filip Krajinovic | 1.76 Matteo Berrettini | | + 23 23 |
| | | |
| 13:00 | 1.67 Ariel Behar/Gonzalo Escobar | 2.07 Tomislav Brkic/Nikola Cacic | | + 1 1 |
| | | |
WTA. Istanbul Open |
23-04-2021 |
| 13:00 | 1.39 Elena Vesnina/Vera Zvonareva | 2.68 Nao Hibino/Makoto Ninomiya | | + 3 3 |
| | | |
| 13:30 | 2.8 Sorana Cirstea | 1.39 Fiona Ferro | | + 22 22 |
| | | |
ATP. Barcelona Open |
23-04-2021 |
| 14:00 | 4 Felix Auger Aliassime | 1.21 Stefanos Tsitsipas | | + 22 22 |
| | | |
| 14:00 | 1.55 Juan Sebastian Cabal/Robert Farah | 2.27 Jeremy Chardy/Fabrice Martin | | + 2 2 |
| | | |
Challenger. Rome (mens) |
23-04-2021 |
| 14:00 | 2.23 Lorenzo Giustino | 1.55 Vit Kopriva | | + 18 18 |
| | | |
WTA. Porsche Tennis Grand Prix |
23-04-2021 |
| 14:00 | 1.24 Ashleigh Barty | 3.68 Karolina Pliskova | | + 24 24 |
| | | |
| 14:00 | 1.78 Nadiya Kichenok/Ioana Raluca Olaru | 1.85 Mona Barthel/Anna-Lena Friedsam | | + 2 2 |
| | | |
ATP. Serbia Open |
23-04-2021 |
| 14:30 | 1.02 Novak Djokovic | 10.7 Miomir Kecmanovic | | + 25 25 |
| | | |
| 14:30 | 2.4 Ivan Sabanov/Matej Sabanov | 1.48 Matteo Berrettini/Andrea Vavassori | | |
| | | |
WTA. Istanbul Open |
23-04-2021 |
| 15:00 | 1.17 Elise Mertens | 4.54 Katerina Siniakova | | + 22 22 |
| | | |
WTA. Porsche Tennis Grand Prix |
23-04-2021 |
| 15:30 | 2.72 Vivian Heisen/Yafan Wang | 1.38 Angelique Kerber/Andrea Petkovic | | + 3 3 |
| | | |
ATP. Barcelona Open |
23-04-2021 |
| 16:00 | 1.01 Rafael Nadal | 13.3 Cameron Norrie | | + 23 23 |
| | | |
WTA. Istanbul Open |
23-04-2021 |
| 16:30 | 1.28 Veronika Kudermetova | 3.38 Ana Bogdan | | + 22 22 |
| | | |
ATP. Serbia Open |
23-04-2021 |
| 17:00 | 2.9 Taro Daniel | 1.36 Federico Delbonis | | + 23 23 |
| | | |
Challenger. Salinas (mens) |
23-04-2021 |
| 17:00 | 1.42 Nicolas Jarry | 2.56 Thiago Agustin Tirante | | + 17 17 |
| | | |
| 17:00 | 1.6 Camilo Ugo Carabelli | 2.14 Adrian Menendez-Maceiras | | + 17 17 |
| | | |
| 17:00 | 1.55 Tim van Rijthoven | 2.23 Altug Celikbilek | | + 10 10 |
| | | |
| 17:00 | 3.24 Nicolas Mejia | 1.27 Marcelo Barrios | | + 10 10 |
| | | |
WTA. Porsche Tennis Grand Prix |
23-04-2021 |
| 17:00 | 2.82 Elina Svitolina | 1.39 Petra Kvitova | | + 28 28 |
| | | |
ATP. Barcelona Open |
23-04-2021 |
| 17:30 | 1.83 Diego Schwartzman | 1.87 Pablo Carreno Busta | | + 24 24 |
| | | |
Challenger. Tallahassee (mens) |
23-04-2021 |
| 18:00 | 1.31 Mikael Torpegaard | 3 Facundo Mena | | + 7 7 |
| | | |
| 18:00 | 1.52 Jenson Brooksby | 2.29 Michael Mmoh | | + 11 11 |
| | | |
ATP. Serbia Open |
23-04-2021 |
| 18:30 | 1.4 Aslan Karatsev | 2.78 Gianluca Mager | | + 21 21 |
| | | |
WTA. Porsche Tennis Grand Prix |
23-04-2021 |
| 18:30 | 3.32 Ekaterina Alexandrova | 1.29 Simona Halep | | + 19 19 |
| | | |
Challenger. Tallahassee (mens) |
23-04-2021 |
| 19:30 | 2.64 Filip Jianu | 1.4 Denis Kudla | | + 10 10 |
| | | |
WTA. Porsche Tennis Grand Prix |
23-04-2021 |
| 20:00 | 1.57 Aryna Sabalenka | 2.29 Anett Kontaveit | | + 20 20 |
| | | |
Challenger. Tallahassee (mens) |
23-04-2021 |
| 21:00 | 2.03 Sekou Bangoura/Donald Young | 1.63 Nathan Pasha/Max Jacob Schnur | | + 1 1 |
| | | |
WTA. Istanbul Open |
24-04-2021 |
| 10:00 | 1.48 Veronika Kudermetova/Elise Mertens | 2.45 Anastasia Pavlyuchenkova/Anastasia Potapova | | + 1 1 |
| | | |
Challenger. Rome (mens) |
24-04-2021 |
| 14:00 | 1.68 Robert Galloway/Alex Lawson | 2.02 Paolo Lorenzi/Juan Pablo Varillas | | + 1 1 |
| | | |
