|Born||3 October 1984|
|Highest ranking||No. 388 (24 Mar 2008)|
|Highest ranking||No. 331 (14 Jan 2008)|
In 2006 he was called into the Israel Davis Cup team for a tie against Great Britain in Eastbourne and played a dead rubber reverse singles, which he lost to Alan Mackin. It was his first time playing on grass.
On the professional tour, Valtzer had a best singles ranking of 388 in the world and won two ITF Futures titles. As a doubles players he won a further six Futures tournaments, with a highest ranking of 331.
|1.||Mar 2006||Israel F3, Haifa||Hard||Ishay Hadash||6-1, 6-2|
|2.||Jun 2007||Turkey F6, Enka (Istanbul)||Hard||Ludovic Walter||6-3, 7-6(4)|
|1.||Aug 2005||Lithuania F2 Vilnius||Clay||Rolandas Mura?ka|| Johan Brunström
|6-3, 2-6, 6-3|
|2.||Mar 2006||Israel F3, Haifa||Hard||Amir Weintraub|| Sergei Krotiouk
|3.||Jul 2006||Turkey F4, Istanbul||Hard||Amir Weintraub|| Matthew Ebden
|4.||Jun 2007||Turkey F4, Ankara||Clay||Amir Weintraub|| Alexander Satschko
|2-6, 6-4, 7-5|
|5.||Jun 2007||Turkey F5, ?zmir||Hard||Amir Weintraub|| Rodrigo-Antonio Grilli
|6.||Jun 2007||Turkey F6, Enka (Istanbul)||Hard||Amir Weintraub|| Guy Kubi