Things went from bad to worse as Neuer felled Bebou inside the box to concede a penalty in the closing period. Kramaric stepped up to sew up the 4-1 victory on home soil.
"We are exhausted," the 32-year-old Pole said after the Bavarian lost 4-1 in Hoffenheim.
The former world No. 1 is set to face a tougher challenge in the second round against 2017 champion Jelena Ostapenko of Latvia, who knocked out American Madison Brengle 6-2, 6-1.
It didn't take too long for the former Inter Milan forward to add another as he slotted home in the 62nd minute after receiving Mbappe's fine cross.
"Never give up. It's a good day. It's nice to get another win as it's been a while and I now need to keep the momentum going," added the Finn, who has generally struggled to match Hamilton's pace this year.
Monday sees Fulham at home while Liverpool entertain Arsenal in arguably the most interesting match of the round. Enditem
A controversial injury time penalty from Newcastle United's Callum Wilson cancelled out Lucas Moura's first half opener for Tottenham and assured a 1-1 draw at White Hart Lane, although it will do nothing to end controversy about VAR after Newcastle's Andy Carroll headed the ball against Eric Dier's arm to provoke a spot kick.
According to the schedule, Guoan will continue to compete in the Suzhou division with seven other clubs for the CSL championship. Its first opponent is Shandong Luneng, who ranked third in the Dalian division in the first stage. As the second phase of the CSL adopts a two-round knockout system, the two sides will start their first fight on October 17.
In the Uruguayan capital Montevideo, Penarol kept alive their hopes of progressing to the next stage, with a 3-0 win over Chile's visiting Colo-Colo.
The race was suspended on lap 8 of 30 following a crash involving Luca Ghiotto and Jack Aitken, who tangled and span into the barriers at high speed.
Yan Yuxiang from Shandong took first place in the men's 200m butterfly in 2:00.18, with Tianjin's Wu Guangshuai and Hunan's Wang Kecheng rounding out the top three.