Medvedev will next face Wolf's compatriot Frances Tiafoe, who ousted Hungary's Marton Fucsovics 6-2, 6-3, 6-2 to reach the US Open fourth round for the first time. Enditem
The 52-year-old replaces Alfonso Sosa, who was sacked on Friday after a 2-0 home defeat to Leon, a result that left Necaxa 15th in the 18-team standings with just two wins from eight matches.
In an absorbing third round match, 23-time Grand Slam winner Williams rallied to defeat 2017 US Open winner Sloane Stephens 2-6, 6-2, 6-2 in one hour and 43 minutes, while second seed Kenin also faced a tough challenge in a straight sets win over Ons Jabeur of Tunisia.
In another friendly match, Senegal will face Mauritania at Lat-Dior Stadium of Thies, 70 km east of Dakar.
There were also third round wins for Belgian star Elise Mertens, Belarussian veteran Victoria Azarenka and France's Alize Cornet.
Shenzhen will also face another huge loss in the clash with defending champions since Mary got a red card and was sent off the pitch in the stoppage time due to his aggressive language to Shanghai head coach Choi Kang-Hee.
"I was playing well today," said Thiem. "I had a good plan for the match. He's very dangerous when he can dictate with his forehand. I was trying to avoid that. He also has very, very fast legs. I was trying to play my fastest tennis to keep him on the backhand, to not let him dictate with the forehand. I did that very well today."
McLaren's Carlos Sainz finished a close second for his best ever finish, and the Racing Point of Lance Stroll took third to complete one of the most unlikely podiums in recent F1 history.
The Guangdong team ranked first in the group dressage competition on Friday, followed by Tibet. Jiangsu took third place.
Thursday saw some rumors in the press that the player was considering a U-turn to see out the remaining year of his contract, but Jorge Messi's communique implies there is no climb-down from the family.
"I managed to beat this milestone of 100 goals and now for the record (109)," said Ronaldo, who is only outscored by Iran's Ali Daei with 109 international goals. "It's step-by-step. I am not obsessed because I believe the records come in a natural way."