| Girls' doubles | |
|---|---|
| 2019 Wimbledon Championships | |
| Champions |  Savannah Broadus Abigail Forbes |
| Runners-up |  Kamilla Bartone  Oksana Selekhmeteva |
| Score | 7–5, 5–7, 6–2 |
Wang Xinyu and Wang Xiyu were the defending champions, but chose not to participate.
Savannah Broadus and Abigail Forbes won the title, defeating Kamilla Bartone and Oksana Selekhmeteva in the final, 7–5, 5–7, 6–2.
Diane Parry / 
Zheng Qinwen (first round) Alina Charaeva / Anastasia Tikhonova (quarterfinals)
Natsumi Kawaguchi / 
Adrienn Nagy (second round)
Joanna Garland / 
Park So-hyun (quarterfinals) Alexa Noel / 
Helene Pellicano (withdrew)
Liubov Kostenko / 
Sada Nahimana (first round) Chloe Beck / Emma Navarro (quarterfinals) Hurricane Tyra Black / 
Shavit Kimchi (second round)| Semifinals | Final | ||||||||||||
| Kamilla Bartone Oksana Selekhmeteva | 78 | 7 | |||||||||||
| Polina Kudermetova Giulia Morlet | 66 | 5 | |||||||||||
| Kamilla Bartone Oksana Selekhmeteva | 5 | 7 | 2 | ||||||||||
| Savannah Broadus Abigail Forbes | 7 | 5 | 6 | ||||||||||
| Aubane Droguet Séléna Janicijevic | 1 | 1 | |||||||||||
| Savannah Broadus Abigail Forbes | 6 | 6 | |||||||||||
Marion Bartoli was the defending champion, but chose not to compete.
Hsieh Su-wei was the defending champion, but she lost in the quarterfinals to Bethanie Mattek-Sands. Karolína Plíšková defeated Mattek-Sands in the final, 1–6, 7–5, 6–3, to claim her first WTA singles title.
Tommy Haas was the defending champion but was knocked out by top seed Roger Federer in the semifinals. Federer won 6–7(5–7), 6–3, 6–4 against Mikhail Youzhny to claim a record sixth title and his first since 2008.
John Isner was the two-time defending champion, but was defeated by 2012 finalist Lleyton Hewitt in the semifinals. Nicolas Mahut defeated Hewitt in the final 5–7, 7–5, 6–3.
This was the first edition of Hong Kong Tennis Open.
Grigor Dimitrov was the defending champion, but lost to Ryan Harrison in the second round.
Zhang Yuxuan was the defending champion, but lost in the first round to Shuko Aoyama.
Elina Svitolina defeated Simona Halep in the final, 4–6, 7–5, 6–1 to win the women's singles tennis title at the 2017 Italian Open.
Anastasia Potapova was the defending champion, but chose to compete in the Ladies' Singles main draw as a qualifier, where she retired in the first round against Tatjana Maria.
Jada Hart and Ena Shibahara were the defending champions, but both players were ineligible to participate.
Roman Valent was the defending champion, but did not complete in the Juniors this year.
Petra Kvitová was the defending champion, but chose not to participate this year.
Madison Keys defeated Svetlana Kuznetsova in the final, 7–5, 7–6(7–5) to win the women's singles tennis title at the 2019 Cincinnati Masters.
Zheng Saisai was the defending champion, but lost in the quarterfinals to Ajla Tomljanović.
Wang Qiang was the defending champion, but lost in the first round to Peng Shuai.
Caroline Garcia was the defending champion, but lost in the second round to Wang Yafan.
Yayuk Basuki was the defending champion, but lost in the second round to tournament winner Linda Wild.
Shaun Stafford was the defending champion, but lost in the semifinals to Wang Shi-ting.
Hsieh Su-wei and Barbora Strýcová were the defending champions, but Strýcová retired from professional tennis in May 2021. Hsieh played alongside Elise Mertens, but lost in the second round to Sharon Fichman and Giuliana Olmos.
Magdalena Fręch was the defending champion but lost in the quarterfinals to Wang Qiang.
