Question: Who has a better career-high singles ranking Daniel Vacek or Fabio Fognini ?

Passages:
Alexander Volkov was the defending champion, but lost to Daniel Vacek in the quarterfinal. Carl-Uwe Steeb won in the final 7–6, 3–6, 7–6 against Daniel Vacek. Jan Siemerink and Daniel Vacek were the defending champions, but did not play together this year.  Siemerink partnered Martin Damm, losing in the quarterfinals.  Vacek partnered Alexander Mronz, losing in the first round. Jeff Tarango and Daniel Vacek were the defending champions, but Vacek did not participate this year.  Tarango partnered Olivier Delaître, losing in the final. Cyril Suk and Daniel Vacek were the defending champions but they competed with different partners that year, Suk with Petr Korda and Vacek with Yevgeny Kafelnikov. Paolo Lorenzi (] ; born 15 December 1981 in Rome, Italy) is an Italian professional tennis player, and current Italian No. 2.  His career-high singles ranking is World No. 33.  Lorenzi is coached by Claudio Galoppini.  On August 1, 2016 he overtook Fabio Fognini becoming the new Italian #1 in the Association of Tennis Professionals ATP Ranking at the age of 34 years old and 8 months. The 1993 Volvo International was a tennis tournament played on outdoor hard courts at the Cullman-Heyman Tennis Center in New Haven, Connecticut, United States and was part of the Championship Series of the 1993 ATP Tour.  The tournament ran from August 16 through August 23, 1993.  Kelly Jones and Rick Leach were the defending champions but only Jones competed that year with Paul Annacone.  Annacone and Jones lost in the semifinals to Cyril Suk and Daniel Vacek.  Suk and Vacek won in the final 7–5, 6–4 against Steve DeVries and David Macpherson. Fabio Fognini (] ; born 24 May 1987) is an Italian professional tennis player who is currently ranked world No. 29 in men's singles by the Association of Tennis Professionals (ATP) and the current Italian No. 1.  His career-high singles ranking is world No. 13, achieved in March 2014, and world No. 7 in doubles, achieved in July 2015.  Fognini's most successful surface is red clay, upon which he won his four ATP singles titles in Stuttgart, Hamburg, Viña del Mar and Umag, reached the quarterfinals of the 2011 French Open and the semifinals of the 2013 Monte-Carlo Masters.  Together with Simone Bolelli, Fognini won the 2015 Australian Open doubles event, becoming the first all Italian men's pair to win a Grand Slam title in the Open era. Daniel Vacek (born 1 April 1971) is a former tennis player from Czechoslovakia and the Czech Republic who turned professional in 1990.  He reached the quarterfinals of the 1995 Paris Masters, the 1998 Canada Masters and the 1998 Cincinnati Masters, and achieved a career-high singles ranking of World No. 26 in January 1996. Adam Pavlásek (born 8 October 1994) is a tennis player playing on the ATP Challenger Tour from the Czech Republic.  He reached his career-high ATP singles ranking of World No. 72 in January 2017.  At the start of 2015, Pavlásek replaced injured countryman Radek Štěpánek in the Hopman Cup, playing alongside Lucie Šafářová.  He made a name for himself by defeating world number 20 Fabio Fognini of Italy, Pavlásek's first ever win over a top 20 player. Cyril Suk and Daniel Vacek were the defending champions but they competed with different partners that year, Suk with Hendrik Jan Davids and Vacek with Richey Reneberg.

Supporting sentences:
Fabio Fognini (] ; born 24 May 1987) is an Italian professional tennis player who is currently ranked world No. 29 in men's singles by the Association of Tennis Professionals (ATP) and the current Italian No. 1.  His career-high singles ranking is world No. 13, achieved in March 2014, and world No. 7 in doubles, achieved in July 2015.