The defending champions, who had lost their first two games of the new season, have now bounced back with four consecutive wins to move up to second place.
Chaux, 28, replaces Napoli keeper David Ospina, who was barred from traveling after two players from the Italian club tested positive for coronavirus, the Colombian Football Federation (FCF) said on Monday.
"They are a strong team. Our young players seemed to be a bit afraid of that in the first half, while making some adjustments after the break," Tianjin coach Liu Hao commented, also hoping that his side can progress and improve after the loss. Enditem
Rennes had the chance to win all three points in stoppage time but Steven Nzonzi's header hit the post.
Next up for the 33-year-old is Russia's world No. 16 Karen Khachanov. Djokovic owns a 3-1 lead in the head-to-head record against Khachanov but the latter won the pair's previous encounter in Paris - at the 2018 Paris Masters when the Russian claimed a straight-set win in the final to clinch the biggest title of his career until now.
The win, which came as the 35th from 36 matches this season, also ties him with Rafael Nadal for a record 14th Roland Garros quarterfinals appearance.
The Argentinian bested Nadal in the Rome Masters quarter-finals last month for his first win against the world number two.
After both exchanged serves in the following two games, a more experienced Zhang then delivered a dominant performance in the tie-break to seal the first set.
Kitata, 24, managed to dash to the finishing line first, one second before Kenya's Vincent Kipchumba.
"Despite only one week, she has improved a lot since we met last time. She is very young, but she has got everything on the court. Last time in Strasbourg, she didn't go into the game so quickly and played not so steadily. But this time, I can feel her confidence has boosted after winning two rounds at a Grand Slam," the former world No. 23 added.
Slovan's Canadian forward Brendan O'Donnell could have tied the game in the second period but only hit the goal post to go 1-2.