This page covers all the important events in the sport of tennis in 2021. It provides the results of notable tournaments throughout the year on both the ATP and WTA Tours, the Davis Cup, and the Fed Cup.
The Covid-19 pandemic hugely impacted on the 2021 professional tennis tour.[1]
| Category | Championship | Champions | Finalists | Score in the final |
|---|---|---|---|---|
| Men's singles |  Novak Djokovic | 7–5, 6–2, 6–2 | ||
| Novak Djokovic | 6–7(6–8), 2–6, 6–3, 6–2, 6–4 | |||
| Novak Djokovic | 6–7(4–7), 6–4, 6–4, 6–3 | |||
 Daniil Medvedev | Novak Djokovic | 6-4, 6-4, 6-4 |
| Category | Championship | Champions | Finalists | Score in the final |
|---|---|---|---|---|
| Women's singles |  Naomi Osaka | 6–4, 6–3 | ||
 Barbora Krejčíková | 6–1, 2–6, 6–4 | |||
 Ashleigh Barty | 6–3, 6–7(4–7), 6–3 | |||
| Emma Raducanu | 6–4, 6–3 |
| Category | Championship | Champions | Finalists | Score in the final |
|---|---|---|---|---|
| Men's Doubles | Ivan Dodig Filip Polášek | 6–3, 6–4 | ||
| French Open |  Pierre-Hugues Herbert Nicolas Mahut |  Alexander Bublik Andrey Golubev | 4–6, 7–6(7–1), 6–4 | |
| Wimbledon | Nikola Mektić Mate Pavić |  Marcel Granollers Horacio Zeballos | 6–4, 7–6(7–5), 2–6, 7–5 | |
 Rajeev Ram Joe Salisbury | Jamie Murray Bruno Soares | 3–6, 6–2, 6–2 |
| Category | Championship | Champions | Finalists | Score in the final |
|---|---|---|---|---|
| Women's Doubles |  Elise Mertens Aryna Sabalenka | 6–2, 6–3 | ||
| French Open | Barbora Krejčíková Kateřina Siniaková | Bethanie Mattek-Sands Iga Świątek | 6–4, 6–2 | |
| Wimbledon | Hsieh Su-wei Elise Mertens | Veronika Kudermetova Elena Vesnina | 3–6, 7–5, 9–7 | |
| US Open | Samantha Stosur  Zhang Shuai | Coco Gauff Caty McNally | 6–3, 3–6, 6–3 |
| Category | Championship | Champions | Finalists | Score in the final |
|---|---|---|---|---|
| Mixed Doubles | Australian Open | Barbora Krejčíková Rajeev Ram | Samantha Stosur Matthew Ebden | 6–1, 6–4 |
| French Open | Desirae Krawczyk Joe Salisbury | Elena Vesnina Aslan Karatsev | 2–6, 6–4, [10–5] | |
| Wimbledon | Desirae Krawczyk Neal Skupski | Harriet Dart Joe Salisbury | 6–2, 7–6(7–1) | |
| US Open | Desirae Krawczyk Joe Salisbury |  Giuliana OlmosMarcelo Arévalo | 7–5, 6–2 |
| Event | Category | Gold medalist | Silver medalist | Bronze medalist | Score in the final |
|---|---|---|---|---|---|
| 2020 Summer Olympics | Alexander Zverev | 6–3, 6–1 | |||
| Belinda Bencic | 7–5, 2–6, 6–3 | ||||
| Nikola Mektić Mate Pavić | 6–4, 3–6, [10–6] | ||||
| Barbora Krejčíková Kateřina Siniaková | Laura Pigossi Luisa Stefani | 7–5, 6–1 | |||
| Anastasia Pavlyuchenkova Andrey Rublev | 6–3, 6–7(5–7), [13–11] |