
The DTB said in a press release on Monday that maximum fines are now 100,000 euros (147,000 dollars), up from 25,000 euros (37,000 dollars).
The decision was made over the weekend at the annual DTB members' meeting in Dresden in the wake of recent reports and investigation into alleged corruption in the sport. The DTB said the rule changes were in line with those made by the International Tennis Federation and the men's and women's tours.