Gould scored 107 to tie the game up at 7-7 and was calm enough to win the 18th frame, forcing Selby to seal the win in the deciding frame.
Badosa advanced after beating 2018 finalist Sloane Stephens of the United States 6-4, 4-6, 6-2.
The former world No. 1 is set to face a tougher challenge in the second round against 2017 champion Jelena Ostapenko of Latvia, who knocked out American Madison Brengle 6-2, 6-1.
In Tuesday's other action, Shanghai smashed Hebei 3-0 (25-18, 25-12, 25-7), Tianjin beat Yunnan 3-0 (25-12, 25-17, 25-13), Liaoning defeated Guangdong 3-0 (25-18, 25-12, 25-15), and Zhejiang crushed Sichuan 3-0 (25-12, 25-14, 25-16). Enditem
Real Sociedad ruined Elche's return to the top flight as they won 3-0 in Elche's Martin Valero stadium, with all the goals coming in the second half.
The next race of the 2020 Formula 1 season is the Eifel Grand Prix at the Nurburgring in Germany on October 11. Enditem
The Italian rising star ripped 11 games in a row to defeat the Belgian for the second time in as many head-to-head meetings.
JERUSALEM, Oct. 1 (Xinhua) -- Israeli club Hapoel Beer Sheva reached the UEFA Europa League group stage after a 1-0 home win over Czech side Viktoria Plzen on Thursday evening.
Wuhan Zall had no chances to enter the championship race after losing to Hebei China Fortune 2-0, while Tianjin enlarged its winless record to 13 games after being defeated by Qingdao Huanghai 3-0 before the match.
"Alize is good at playing on clay court. She is resilient and flexible in tactics. You won't never beat her with ease." Enditem
Striker Bi Jinhao scored a brace in the first half to seal the win for the Shanghai side in the last round of the first CSL phase.