Winifred McNair was a tennis player from Great Britain. She is best remembered for her women's doubles gold medal at the 1920 Olympics in Antwerp, Belgium. Between 1906 and 1925 she competed in 15 editions of the Wimbledon Championships. Her best Wimbledon result came in 1913 when she reached the final of the all-comers' event and won the doubles title, partnering Dora Boothby.
The 1913 Wimbledon Championships took place on the outdoor grass courts at the All England Lawn Tennis and Croquet Club in Wimbledon, London, United Kingdom. The tournament ran from 23 June until 4 July. It was the 37th staging of the Wimbledon Championships, and the first Grand Slam tennis event of 1913.
Dora Boothby defeated Agnes Morton 6–4, 4–6, 8–6 in the all comers' final to win the ladies' singles tennis title at the 1909 Wimbledon Championships. The reigning champion Charlotte Sterry did not defend her title.
Dorothea Lambert Chambers defeated Edith Johnson 6–4, 6–2 in the All Comers' Final, and then defeated the reigning champion Dora Boothby 6–2, 6–2 in the challenge round to win the ladies' singles tennis title at the 1910 Wimbledon Championships.
Dora Boothby defeated Edith Hannam 6–2, 7–5 in the All Comers' Final, but the reigning champion Dorothea Lambert Chambers defeated Boothby 6–0, 6–0 in the challenge round to win the ladies' singles tennis title at the 1911 Wimbledon Championships.
Ethel Larcombe defeated Charlotte Sterry 6–3, 6–1 in the all comers' final to win the ladies' singles tennis title at the 1912 Wimbledon Championships. The reigning champion Dorothea Lambert Chambers did not defend her title.
Dorothea Lambert Chambers defeated Winifred McNair 6–0, 6–4 in the all comers' final to win the ladies' singles tennis title at the 1913 Wimbledon Championships. The reigning champion Ethel Larcombe did not defend her title.
Ethel Larcombe defeated Elizabeth Ryan 6–3, 6–2 in the All Comers' Final, but the reigning champion Dorothea Lambert Chambers defeated Larcombe 7–5, 6–4 in the challenge round to win the ladies' singles tennis title at the 1914 Wimbledon Championships.
Dora Boothby and Winifred McNair defeated Dorothea Lambert Chambers and Charlotte Sterry in the final, 4–6, 2–4 retired to win the inaugural Ladies' Doubles tennis title at the 1913 Wimbledon Championships.
Hope Crisp and Agnes Tuckey defeated James Cecil Parke and Ethel Larcombe in the final, 3–6, 5–3 retired to win the inaugural Mixed Doubles tennis title at the 1913 Wimbledon Championships.
Hope Crisp and Agnes Tuckey were the defending champions, but they lost in the semifinals to eventual champions James Cecil Parke and Ethel Larcombe.
Agnes Morton and Elizabeth Ryan were the defending champions, but Morton did not participate. Ryan partnered with Suzanne Lenglen, and went on to defeat Dorothea Lambert Chambers and Ethel Larcombe in the final, 4–6, 7–5, 6–3 to win the ladies' doubles tennis title at the 1919 Wimbledon Championships.
James Cecil Parke and Ethel Larcombe were the defending champions, but Parke did not participate. Larcombe partnered with Ronald Thomas but they lost in the semifinals to eventual champions Randolph Lycett and Elizabeth Ryan.
Suzanne Lenglen and Elizabeth Ryan successfully defended their title, defeating Dorothea Lambert Chambers and Ethel Larcombe in the final, 6–4, 6–0 to win the ladies' doubles tennis title at the 1920 Wimbledon Championships.
Vitas Gerulaitis and Sandy Mayer were the defending champions, but lost in the quarterfinals to Ross Case and Geoff Masters.
Brian Gottfried and Raúl Ramírez were the defending champions, but lost in the first round to Jim Delaney and Sashi Menon.
Ross Case and Geoff Masters were the defending champions, but lost in the second round to Mark Edmondson and John Marks.
Bob Hewitt and Greer Stevens were the defending champions but did not compete.
Players who neither had high enough rankings nor received wild cards to enter the main draw of the annual Wimbledon Tennis Championships participated in a qualifying tournament held one week before the event. Several players withdrew from the main draw after qualifying had commenced, leading to the highest ranked players who lost in the final qualifying round to be entered into the main draw as lucky losers.
Players who neither had high enough rankings nor received wild cards to enter the main draw of the annual Wimbledon Tennis Championships participated in a qualifying tournament held one week before the event. Several players withdrew from the main draw after qualifying had commenced, leading to the highest ranked players who lost in the final qualifying round to be entered into the main draw as lucky losers.
Agnes Morton 
Elizabeth Ryan 
