68 - Sébastien Gros leads after 18 holes in Germany, thanks to a first round of 68.
79 - Gros opened with a 79 on this course two years ago.
2.97 - Today's round was the fifth hardest on the European Tour this season, with an average score to par of 2.97.
3 - Three of the other hardest rounds were at last week's US Open at Shinnecock Hills GC.
29 - Nobody carded a bogey-free round today. The last time that happened was the fourth round of the Trophée Hassan II, 29 European Tour rounds ago.
22 - There are just 22 men under par after 18 holes.
17 - Matt Wallace was the only man not to drop a shot until he reached the 17th and made a double-bogey.
19 - Raphaël Jacquelin is making his 19th appearance in this event this week, the most of anyone in the field.
2- There are two father and son combinations in the field this week. While Tommy Fleetwood has his father caddying for him, Stephen Gallacher has his son on the bag.
30- This week marks 30 consecutive BMW International Opens.