Happy Birthday Nicolas Kiefer !
-1⃣st 🇩🇪 player beat Roger Federer on grass -’02 in Halle;
-1⃣st & only 🇩🇪 player beat Roger Federer on 3⃣ different surfaces (hard,carpet,grass) consecutively;
-1⃣of 3⃣ 🇩🇪players (Boris Becker & Michael Stich) reached QF in ’97 in Wimbledon which never happened before & after in tennis history.