Question: Peng Shuai and Peter Fleming are/were both what?

Context paragraphs:
2015 PTT Thailand Open – Doubles: Peng Shuai and Zhang Shuai were the defending champions, however Peng chose not to participate.  Zhang partnered with Chuang Chia-jung, but lost in the first round to Anastasia Rodionova and Vera Zvonareva. <br>

2015 French Open – Women's Doubles: Hsieh Su-wei and Peng Shuai were the defending champions, but Peng chose not to participate this year.  Hsieh played alongside Flavia Pennetta, but lost in the quarterfinals to Andrea Hlaváčková and Lucie Hradecká.

2015 China Open – Women's Doubles: Andrea Hlaváčková and Peng Shuai were the defending champions, but Peng could not participate due to injury.  Hlaváčková played alongside Lucie Hradecká, but lost in the quarterfinals to Casey Dellacqua and Yaroslava Shvedova. <br>

2015 Qatar Total Open – Doubles: Hsieh Su-wei and Peng Shuai were the defending champions, but Peng decided not to compete this year.  Hsieh played alongside Sania Mirza, but lost in the final to Raquel Kops-Jones and Abigail Spears, 4–6, 4–6.

Peter Fleming (tennis): Peter Blair Fleming (born January 21, 1955 in Chatham Borough, New Jersey) is a former professional tennis player from the United States.  In his doubles partnership with John McEnroe, he won 52 titles, of which seven were at Grand Slams (four at Wimbledon, three at the US Open).  As a singles player, he peaked at World No. 8, winning three titles (including the 1979 Cincinnati Open).

Peng Shuai: Peng Shuai (; ; born 8 January 1986) is a Chinese professional female tennis player.  She reached a career high ranking of World No. 1 in doubles by the Women's Tennis Association on 17 February 2014, making her the first Chinese professional tennis player (male or female, and in singles or doubles) to reach World No. 1.  She won a gold medal at the 2010 Asian Games, defeating Akgul Amanmuradova in the final.  At the 2013 Wimbledon Championships, Peng won her first ladies' double championship with Hsieh Su-wei of Taiwan and again won at the 2014 French Open with Hsieh.

2015 BNP Paribas Open – Women's Doubles: Hsieh Su-wei and Peng Shuai were the defending champions, but Peng withdrew from the tournament with a back injury.  Hsieh played alongside Flavia Pennetta, but lost in the first round to Klaudia Jans-Ignacik and Andreja Klepač.

2006 China Open – Women's Singles: Maria Kirilenko was the defending champion, but lost in second round to Peng Shuai.

2017 Qatar Total Open – Doubles: Chan Hao-ching and Chan Yung-jan were the defending champions, but chose not to compete together.  Hao-ching played alongside Christina McHale, but lost in the first round to Andrea Hlaváčková and Peng Shuai.  Yung-jan teamed up with Martina Hingis, but lost in the semifinals to Olga Savchuk and Yaroslava Shvedova.

2017 Aegon Open Nottingham – Women's Doubles: Andrea Hlaváčková and Peng Shuai were the defending champions, but Peng chose not to participate and Hlaváčková chose to compete in s'Hertogenbosch instead.

Supporting paragraphs: Peng Shuai Peter Fleming (tennis)
Answer: tennis player