Began playing tennis aged five…Nicknamed "Mulles"…Parents are Marcel, who is a retired postal worker, and Miriam, who is a housewife…His brother Patrick works for a security company…Attended high school in Luxumbourg until he was 16, then moved to France…Completed one more year of schooling there…Speaks French, English, German and Luxembourgish…Enjoys rock music and good movies…Enjoys all sports, especially football and basketball...Wife, Alessia Fauzzi, (married July 10, 2010)…Son, Lenny (born May 6, 2011)…Works with physical trainer Frank Eicher…Coached by Benoit Carelli (during tournaments) and Alexandre Lisiecki (when in Luxembourg).
2011 -- The Luxembourg native finished a year-end best No. 54 with 2 ATP World Tour SF - in Atlanta (l. to Isner) and Metz (l. to Ljubicic)…Won a personal-high 17 matches and reached a career-high No. 42 on Oct. 3...Played well in Grand Slam tournaments (6-3), reaching 2R at Australian Open (qualified, l. to Soderling), 3R at Wimbledon (l. to Nadal) and 4R at US Open (l. to Nadal)...On Challenger circuit, compiled a 23-9 match record with 1 title and 3 more finals...Went 0-5 vs. Top 10 opponents and compiled marks of 15-11 on hard and 2-1 on grass while earning a
career-high $354,421...
2010 - Started the year outside Top 250...Reached three ATP Challenger Tour finals...Finished season at World No. 134...
2009 - Qualified for Auckland...Reached the Australian Open 3rd RD (l. to del Potro)...Season ended after Wimbledon...
2008 - The Luxembourg native finished in Top 100 for first time in four years...As US Open qualifier he advanced to QF with wins from two sets down over Haas (2nd RD) and No. 18 Almagro (3rd RD), and No. 5 Davydenko in four sets (4th RD) before losing to eventual champion Federer...Became first qualifier to reach US Open QF since Nicolas Escude in 1999 and first qualifier to defeat a Top 5 seed in New York since 2000 (Arthurs d. No. 2 Kuerten, 1st RD)...Afterwards, climbed from No. 130 to No. 63...In Challenger play compiled a 19-11 mark and won titles at Humacao, Puerto Rico (d. Miranda) in April and Izmir, Turkey (d. Pless) in June...
2007 – The Luxembourg native reached two Challenger finals...Began season by reaching 2nd RD at Australian Open (d. Gaudio, l. to Davydenko) and advancing to QF at Durban Challenger (l. to De Voest)...In February, reached SF at Besancon Challenger (l. to Roger-Vasselin)...Qualified at Wimbledon (d. Hernandez, l. to Ferrero in four sets)...Did not win back-to-back matches again until late July with SF at Recanati Challenger (l. to Golubev)...Followed with three consecutive QF showings in Segovia, Istanbul and Orleans Challengers...In October, closed season with back-to-back runner-up efforts in Rennes (l. to Petzschner) and Kolding (l. to Lacko) and SF in Seoul (l. to Economidis)...
2006 – Finished just out of Top 100 (No. 106) for first time in three years and and reached four ATP QF...Began season by reaching QF in two of first three events before losing to eventually champion at both, at Chennai (l. to Ljubicic) and Delray Beach (l. to Haas)...In between, reached Australian Open 2nd RD for first time (d. Mello, l. to Lopez)...Earned a pair of Davis Cup wins against Portugal...Reached Bermuda Challenger final (l. to Vicente)...Advanced to QF in Estoril (l. to Davydenko)...Suffered five straight 1st RD losses before reaching Indianapolis QF (l. to Roddick)...Late in year, had Challenger success...Reached QF at Bronx (l. to Udomchoke) and SF at Grenoble (l. to Tourte)...Reached doubles SF at Casablanca (w/C. Rochus)...
2005 – Won a career high 21 matches (21-23) and reached a career-high ranking of No. 59 in August...Posted career best AMS result by reaching 3rd RD at Indian Wells with wins over Lisnard and Stepanek before falling to Federer...On clay, reached QF at Casablanca (l. to Volandri)...On Wimbledon debut, reached 3rd RD, defeating Mantilla and No. 3 Nadal before losing to Gasquet...Reached second career ATP final in Los Angeles, beating Ginepri in QF and Hrbaty in SF before losing to Agassi in final...Following week reached 3rd RD at Washington, D.C. (l. to Massu)...At US Open, posted straight sets win over Roddick in 1st RD in three tie-breaks (l. to Ginepri)...Reached QF in Bangkok with wins over Philippoussis and Horna (l. to Federer)...Went 1-2 in Davis Cup singles and 1-1 in doubles...Reached doubles SF in Tokyo (w/Monaco)...Reached Challenger doubles finals in Heilbronn (w/Elseneer) and Cordoba (w/Mahut)...Earned a career-high $301,816...
2004 – Became first player from Luxembourg to finish in Top 100...Improved 120 ranking positions...Won Challenger titles at Napoli (d. DiPasquale) and Cordoba (d. Almagro) while reaching finals at Salinas (l. to Falla) and Andorra (l. to K. Kim)...Came into Washington with a 1-3 record in ATP events on year before posting wins over Schalken, Gambill, Kratochvil and Agassi (first Top 10 win) before losing to Hewitt in final...Played in two Davis Cup ties, defeating Finland's Ketola and Nieminen...Also split a pair of matches against Great Britain, defeating Parmar before falling to Henman...Won doubles title at Andorra Challenger (w/Qureshi)...
2003 – Qualified for first time in an ATP event in Copenhagen (l. to Lisnard)...Split a pair of singles matches (d. Mertinak, l. to Beck) in Davis Cup tie against Slovakia...Reached first Challenger final at Napoli (l. to Gasquet) and later claimed first Challenger title in Valladolid (d. Navarro Pastor)...Compiled 21-19 record in Challengers...
2002 – Made ATP debut as a wild card in ‘s-Hertogenbosch (l. to Heuberger in 1st RD)...Played in two Davis Cup ties...Opened tie with Yugoslovia with win over Zimonjic and defeated Tipsarevic in decisive rubber...Won three Futures titles...Reached QF at Gramado Challenger...Reached doubles final at Great Britain #2 (w/Scheidweiler)...
2001 – Made Davis Cup debut and posted 2-3 record in three tie...In April, won first Futures title at Kuwait #1...Reached QF at Grenoble Challenger (l. to Ascione...Won doubles title at Luxembourg Futures #1 (w/ Scheidweiler)...