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	Australian Open	Novak Djokovic	Daniil Medvedev	7–5, 6–2, 6–2
	French Open	Novak Djokovic	Stefanos Tsitsipas	6–7(6–8), 2–6, 6–3, 6–2, 6–4
	Wimbledon	Novak Djokovic	Matteo Berrettini	6–7(4–7), 6–4, 6–4, 6–3
	US Open	Daniil Medvedev	Novak Djokovic	6-4, 6-4, 6-4

Category	Championship	Champions	Finalists	Score in the final
Women's singles	Australian Open	Naomi Osaka	Jennifer Brady	6–4, 6–3
	French Open	Barbora Krejčíková	Anastasia Pavlyuchenkova	6–1, 2–6, 6–4
	Wimbledon	Ashleigh Barty	Karolína Plíšková	6–3, 6–7(4–7), 6–3
	US Open	Emma Raducanu	Leylah Fernandez	6–4, 6–3

Category	Championship	Champions	Finalists	Score in the final
Men's Doubles	Australian Open	Ivan Dodig Filip Polášek	Rajeev Ram Joe Salisbury	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
	US Open	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	Australian Open	Elise Mertens Aryna Sabalenka	Barbora Krejčíková Kateřina Siniaková	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 Olmos Marcelo Arévalo	7–5, 6–2

• 24 July – 1 August 2021: Summer Olympics

Event	Category	Gold medalist	Silver medalist	Bronze medalist	Score in the final
2020 Summer Olympics	Men's Singles	Alexander Zverev	Karen Khachanov	Pablo Carreño Busta	6–3, 6–1
	Women's Singles	Belinda Bencic	Markéta Vondroušová	Elina Svitolina	7–5, 2–6, 6–3
	Men's Doubles	Nikola Mektić Mate Pavić	Marin Čilić Ivan Dodig	Marcus Daniell Michael Venus	6–4, 3–6, [10–6]
	Women's Doubles	Barbora Krejčíková Kateřina Siniaková	Belinda Bencic Viktorija Golubic	Laura Pigossi Luisa Stefani	7–5, 6–1
	Mixed Doubles	Anastasia Pavlyuchenkova Andrey Rublev	Elena Vesnina Aslan Karatsev	Ashleigh Barty John Peers	6–3, 6–7(5–7), [13–11]

• Official website of the Association of Tennis Professionals (ATP)
• Official website of the Women's Tennis Association (WTA)
• Official website of the International Tennis Federation (ITF)
• Official website of the International Team Competition in Men's Tennis (Davis Cup)
• Official website of the International Team Competition in Women's Tennis (Fed Cup)