The two sides meet again on the same ground on Thursday.
PSG will travel to the southern coastal city of Nice for their next match on Sunday. Enditem
"We surprised Al-Taawoun with our physical presence which gave us the upper hand," said Resan.
Dortmund broke the deadlock courtesy of two 17-year-old youngsters, as new arrival Jude Bellingham passed into the path of Giovanni Reyna, who drilled the ball right-footed into the far corner in the 35th minute.
The single-leg match was played behind closed doors at Sammy Ofer Stadium in the northern city of Haifa.
The Foals responded but neither Stefan Lainer nor Lars Stindl was able to overcome Burki before the half-time whistle.
Only counting on talent and youthful nonchalance doesn't take you to the top the 59-year-old predicted.
Nishikori needed six match points to seal the win in two hours at the ATP Masters event held behind closed doors at the Foro Italico.
The outsourcing of the professional section can only be one option.
"It's an agreement by our clubs and investors. We are expecting to help them get reasonable control of the spending. Besides that, all of us want a more balanced league. Under the cap, the teams are encouraged to pay more attention to their youth training system instead of buying players."
According to Polish media, the English side bought the Poland international for about four million euros. On Wednesday, the 22-year-old passed a medical and signed a four-year contract which is valid to June 2024.