Despite their dominance, Hertha needed 19 minutes to create the first clear-cut opportunity as Krzysztof Piatek's header rattled the crossbar.
The biggest hit of the day was the men's 100m. Asian 200m record holder Xie Zhenye claimed the title with 10.31 seconds in his hometown. It was not an easy win since Zhang Ruixuan and Chen Guanfeng finished 10.34s and 10.36s respectively, and Xie's lane was laid just between them.
To survive the club's crisis, Schalke turned to wage cuts, part-time work for employees, and a 30 to 40-million-euro loan from the federal state of North-Rhine Westphalia.
Martinez's call-up came two days after he ended his 10-year spell at Arsenal to join rivals Aston Villa for a reported fee of 20 million euros (around 24 million US dollars).
After a goalless 90 minutes, the visitors were close to victory in extra-time when their Slovenian striker Zan Medved scored with a beautiful header after a long center-pass with only nine minutes left.
He added that although the veteran striker is currently training separately from the rest of the players, "if in the end he is unable to find another team, he will be another member in the squad here."
15th seed Grigor Dimitrov of Bulgaria eased past Italian wildcard Gianluca Mager 7-5, 6-1, while Marin Cilic rallied to beat Kazakhstan's Alexander Bublik 6-7 (4), 6-2, 6-4 to set up a second round meeting with sixth seed David Goffin.
On the other table on Friday, Stuart Bingham topped the group by winning three matches without losing any frames.
Too many unsolved cases endanger the 2020 treble winners' preparations, the 55-year-old claims. After the 29-year-old midfielder has left for the Premier League, Flick's squad was downsized to only 15 experienced players.
In another match of group C, Persepolis FC edged Al Taawoun 1-0 as the Iraqi midfielder Bashar Resan scored the match's only goal from the penalty spot to take Iranian side to the top of the group with seven points.
Lewandowski also expects to see Bayern's new arrival Leroy Sane moving up a gear after joining in from Manchester City.