Yu and Fu finished first in the preliminaries of the women's breaststroke 200m and 100m backstroke respectively, but couldn't make the finals as well.
"I know that this cruel loss has brought immense sorrow and I would like you to know that the African football fraternity shares in this pain," Ahmad added.
Jean Mota scored the winner eight minutes from time as Santos clinched their third win from four matches.
"Atletico are very competitive and ambitious. What I want is for them to continue growing, and I will try to achieve something important," he concluded. Enditem
Guoan now sits second in Group B with 25 points, with two rounds in the first stage remaining, and has booked a spot in Group C for the championship race.
Tokyo 2020 President Mori Yoshiro added: "We will continue to work hard on simplifications towards next year and ask for the continued cooperation of all those involved in the Games." Enditem
"Our organization regrets the inconvenience that the suspension of the match may cause to the Mexican football federation (Femexfut) and thanks them for their willingness and patience in recent days," read the Fedefutbol statement.
The deadlock was broken in the 37th minute as Huanghai's Gao Xiang jumped high above the Teda defender to head in Yang Yu's unexpected cross.
Germain's header in the 85th minute, which was set up by a corner from Morgan Sanson, avoided a second straight home defeat for last season's runners-up. Enditem
Yunnan made more errors in the second set, especially in serve and back court receiving, only to witness Beijing take the set again.
Nakamura Hidemasa, Tokyo 2020 Games delivery officer, speaks during the media briefing on the simplification of the Games in Tokyo, Japan, on Sept. 25, 2020. (Tokyo 2020/Handout via Xinhua)