[1] Kimmich was born in Stuttgart, West Germany, and moved to Australia with his family at the age of five.

[2] He received a wildcard entry into the 2005 Australian Open and faced Mariano Zabaleta in the first round, losing in four sets.

[3] In the men's doubles, he partnered with Adam Feeney but was eliminated in the first round by the Russian duo of Igor Andreev and Nikolay Davydenko.

[3] At the 2006 Australian Open, Kimmich again received a wildcard but was defeated in the first round of the singles tournament by the 26th seed, Jarkko Nieminen.

[3] He also participated in the mixed doubles with partner Lisa McShea, but the pair lost in the opening round.