Tashkent, October 10: Top seeded Denis Istomin prevailed a tough opening round against compatriot and team mate Farrukh Dustov at the 10th edition of the $150K Tashkent ATP Challenger being played on the Olympic tennis school courts in Tashkent.
In a first round match Istomin fresh from a ATP title win in Chengdu struggled to get past Dustov 6-7(3), 6-1,7-5 in a 2 hour and 27 minute match.
In a match which saw 15 aces between two Uzbek stars, Dustov won the first set 7-6(3) after both players held on , Istomin seemed to get into rhythm bagging the second set 6-1 and looked like running away with the third set , but Dustov broke Istomin in the eighth game to lead 5-4 , Istomin broke back in the tenth game to level scores and also the twelfth game to take the set 7-5 and enter the second round.
Other seeds in action fourth seeded Guillermo Garcia-Lopez of Spain , sixth seeded Matteo Berrettini of Italy , Seventh seeded Yuki Bhambri of India , eighth seeded Konstantin Kravchuk of Russia moved smoothly into the round of sixteen.
It was heart break for local players as Aldin Setkic of Bosnia Herzegovina tamed Uzbek Davis Cupper Sanjar Fayziev 7/6(3) 6/4 , while qualifier Denis. Molchanov of Ukraine prevailed over a fighting wildcard Khumoyun. Sultanov wining 4-6,7-5,6-4
In a All Qualifier clash Serbian Danilo Petrovic edged past Luca Margaroli of Switzerland 6/3 6/7(5) 6/3 , sixth seeded Matteo Berrettini of Italy was given a fight by Spaniard Enrique Lopez-Perez before winning 7/6(2) 2/6 6/2 .
The doubles event threw up some interesting results as the Indian pair of Yuki Bhambri and Divij Sharan upset top seeds Argentinian pair of Guillermo Duran and Adreas Molteni (ARG) 6/4 6/2 , Italian Tomas Fabbiano and Swiss player Luca Margaroli combined well to shock fourth seeded Indian pair of Jeevan Nedunchezhiyan and Vishnu Vardhan (IND) 7/6(6) 7/6(6) to make the last eight stage.
Following are the results : Singles First Round
 Denis Istomin (UZB) vs [WC] Farrukh Dustov (UZB) 6/7(3) 6/1 7/5
Aldin Setkic (BIH) bt Sanjar Fayziev (UZB) 7/6(3) 6/4
[Q] Danilo Petrovic (SRB) vs [Q] Luca Margaroli (SUI) 6/3 6/7(5) 6/3
 Guillermo Garcia-Lopez (ESP) vs [Q] Denis Yevseyev (KAZ) 6/2 6/3
[Q] Denis. Molchanov (UKR) bt [WC] Khumoyun. Sultanov (UZB) 4-6,7-5,6-4
Vaclav Safranek (CZE) vs Lloyd Harris (RSA) W/O
 Matteo Berrettini (ITA) vs Enrique Lopez-Perez (ESP) 7/6(2) 2/6 6/2
 Konstatin Kravchuk (RUS) vs [LL] Ivan Nedelko (RUS) 7/6(5) 6/3
Marek Jaloviec (CZE) vs [LL] Ivan Gakhov (RUS) 7/6(5),6/2
 Yuki Bhambri (IND) vs Aleksandr Nedovyesov (KAZ) 3/0 ret
Kamil Majchrzak (POL) vs Marc Polmans (AUS) 6/4 7/6(8)
Doubles First Round
Yuki Bhambri (IND) / Divij Sharan (IND) vs  Guillermo Duran (ARG) / Adreas Molteni (ARG) 6/4 6/2
Mirza Basic (BIH) / Toshihide Matsui (JPN) vs [WC] Temur Ismailov (UZB) / Shonigmatjon Shofayziyev (UZB) 6/2 6/4
Tomas Fabbiano (ITA) / Luca Margaroli (SUI) vs  Jeevan Nedunchezhiyan (IND) / Vishnu Vardhan (IND) 7/6(6) 7/6(6)
Uladzimir. Ignatik (BLR) / Aldin. Setkic (BIH) bt Alexander. Bublik (KAZ) / Alexander. Pavlioutchenkov (RUS) 4-6,7-5,10-6
Mikhail Elgin (RUS) / Denis. Istomin (UZB) vs  James. Cerretani (USA) / Marc. Polmans (AUS)