Kratzmann began to play cricket after moving to Hong Kong in 2003, where he originally worked as a tennis coach. He won the Hong Kong Cricket Association's Player of the Year award for 2005–06. In May 2007, he was selected in the national squad to participate in the ICC World Cricket League Division Three tournament. He was also in the 20-man list for the Asia Cup but was not included in the final 14. He has made three international appearances for Hong Kong.