The 33-year-old will play 17th seed Pablo Carreno Busta the round of eight. The Spaniard dispatched German qualifier Daniel Altmaier 6-2, 7-5, 6-2.
Elche and Huesca drew a game between two newly promoted sides 0-0, although Huesca will feel they did enough to take all three points as Elche failed to shoot on target all game.
Sevilla presented their last two signings of the summer with Karim Rekik and Oussama Idrissi joining Julen Lopetegui's side, who once again look to have worked well in the transfer market, despite failing to sign Real Sociedad's Willian Jose.
River Plate's Armani and his Boca Juniors counterpart Andrada were joined by defenders Lucas Martinez Quarta (River Plate), Gonzalo Montiel (River Plate) and midfielder Eduardo Salvio (Boca Juniors), the Argentinian Football Association (AFA) said.
Thanks to the third-round win, Wuhan moved atop the championship group standings with six points.
Both of the games highlighted Bilbao's problems in midfield and attack, as they failed to trouble two sides that will probably struggle to avoid the drop this season.
Paranaense reduced the deficit courtesy of a Renato Kayzer header but Everton Ribeiro put the result beyond doubt when he lashed home from 20 yards after combining with Giorgian de Arrascaeta.
Shandong began to lose momentum after the interval, and Inner Mongolia scored many fast break points on turnovers. With a 30-point margin in hand before the last 10 minutes, Inner Mongolia met little challenge thereafter.
Sevilla opened the scoring in the 7th minute when Luuk de Jong fired home with his left foot after Barca failed to deal with a corner, but Barca levelled barely a minute later when Jesus Navas was unable to clear Jordi Alba's ball into the area, allowing Coutinho to pick his spot.
FC Barcelona have had a promising start to the campaign under new coach Ronald Koeman, scoring seven goals in their opening two matches, with the midfield pairing of Sergio Busquets and Frenkie de Jong giving a solid base for the attacking quarter of Ansu Fati, Leo Messi, Philippe Coutinho and Antoine Griezmann.
Moussa Djenepo scored his first home goal for Southampton in the 41st minute and Oriol Romeu smacked home a sensational volley with just over 20 minutes remaining as the Saints kept their second clean sheet in two games.