while his father Vlado was a meteorologist. Karlović married his wife Alsi on 29 March 2005. Their first child, Jada Valentina, was born in September 2011. One of his favorite activities is playing basketball. Karlović is known for his humorous Twitter account. Karlović wears European size 51 shoes. Equipment and apparel Karlovic currently endorses the Head Graphene Radical Pro, and wears Mizuno clothing. Early on in his career, Karlović used Head Prestige racquets, until switching to the Head Flexpoint Instinct in 2005. He continued to use the Instinct until 2012, except for a brief switch to the Babolat AeroPro Drive Cortex in 2009. In 2013, after a period of struggling to find a replacement for the Flexpoint Instinct he enjoyed, he finally switched to the Head YouTek IG Radical Pro, and proceeded to endorse the new Graphene Radical in 2014. Karlović has previously worn apparel by Diadora, My OCK, Adidas, Nike, Li-Ning, Sergio Tacchini and Mizuno, as well as his own brand 6'10". ATP career finals Singles: 19 (8 titles, 11 runner-ups) Doubles: 3 (2 titles, 1 runner-up) ATP Challenger Tour finals Singles: 12 (7–5) Doubles: 3 (0–3) ITF futures finals Singles: 8 (4–4) Doubles: 10 (4–6) National representation Team competition finals Davis Cup: 2 (1 title, 1 runner-up) World Team Cup: 1 (1 title) Davis Cup (13–14) indicates the outcome of the Davis Cup match followed by the score, date, place of event, the zonal classification and its phase, and the court surface. Wins over top 10 players He has a record against players who were, at the time the match was played, ranked in the top 10. Record against top 10 players Karlović's record against players who have been ranked world No. 10 or higher, based on ATP head-to-head records.* Statistics correct .'' See also Croatia Davis Cup team Fastest recorded tennis serves References External links 1979 births Living people Croatian male tennis players Olympic tennis players of Croatia Tennis players from Zagreb Tennis players at the 2004 Summer Olympics