"I played quite a solid match when I was serving, I was playing some good points. I did some good forehands, winners down the line, that's a key shot for me," said Nadal.
Former world No. 1 Halep, who has just clinched the title in Rome earlier this week, cruised past Tormo 6-4, 6-0 to advance, at the same time extended his winning streak to 15 matches in a row.
This was Inter's first game of the season, as its clash with Benevento was postponed to September 30.
Ibrahima Niane scored in the 71st minute to give Metz the lead, but midfielder Morgan Sanson's goal in stoppage time saved the game for the hosts.
Earlier on Sunday, Wissam Ben Yedder struck in each half as nine-man Monaco held on to overcome Strasbourg 3-2 at home. Right-back Ruben Aguilar added another for Niko Kovac's side in stoppage time of the first half.
"I may have played too many today. I agree. Maybe I exceeded what I should have played. But I think it worked well in the moments when I needed to get the point I did."
All eyes were on Messi after a summer in which he had asked to leave the club and only two days after he had criticized the departure of Luis Suarez, but Fati was the star of the show.
A joint team from Zhejiang, Jiangsu, Hubei and Shandong broke the world record of the mixed 4x100m medley relay in the preliminary heats, and also won the title in the final in 3:39.40.
Chongqing Dangdai edged Shanghai SIPG 1-0, but Shanghai SIPG still managed to rank first in Suzhou division, and will take on Shanghai Shenhua in the second stage. Enditem
The 54-year-old Kotani, who won bronze in the solo and duet events at the 1988 Seoul Olympics, will act as the "voice of the athletes," in the overall management of the games. She will also coordinate with the International Olympic Committee and international sports federations.
The decision is made in light of the growing reputation and prestige of AFC competitions with the new brand taking effect from 2021, Asian football's governing body said in a statement.