The quarter-final line-up will be filled up on Thursday at the Allianz Suisse Open Gstaad, as the five remaining second round matches take the courts.

First up is top seed Mikhail Youzhny facing wild card Alexander Sadecky. It has been a strong season for World No. 14 Youzhny, as he has reached the quarter-finals or better five times, including winning his sixth career ATP World Tour title at Munich. Sadecky, who is playing in his first ATP World Tour-level main draw, won his first career tour match against a qualifier.

Second on Centre Court will be the conclusion of the Igor Andreev and Marco Chiudinelli match, which was just starting the third set tie-break when it was suspended due to darkness Wednesday evening. Andreev has won 15 of his 20 career matches in Gstaad, reaching the semi-finals or better in four of his five previous appearances here; Chiudinelli is going for his first quarter-final in four tries here.

Third on Centre is Jarkko Nieminen against Jeremy Chardy. Nieminen is ranked 10 spots higher and did win their only previous meeting, but he is playing here for the first time, while Chardy is playing here for the third time - and made it to the quarter-finals in both of his previous attempts.

The last match on is No. 2 seed Nicolas Almagro facing wild card Michael Lammer. Almagro has won 15 of his last 19 matches on clay, including reaching the Roland Garros quarter-finals and winning his sixth career ATP World Tour title two weeks ago in Bastad. He is playing Gstaad for the first time and he had a three-setter in his first round match, but that came against Spaniard Marcel Granollers. Lammer is ranked No. 209.

Out on Court 1, an all-unseeded first-time match-up takes place, as Portugal’s Frederico Gil faces Kazakhstan qualifier Yuri Schukin.

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THURSDAY SECOND ROUND HEAD-TO-HEADS - In Order of Play by Court

Centre Court

(1) Mikhail Youzhny (RUS) vs (WC) Alexander Sadecky (SUI)  First Meeting

Youzhny FastFacts:
2010 Highlights:
W: Munich (d Cilic); F: Rotterdam (l Soderling); Dubai (l Djokovic); QF: ATP World Tour Masters 1000 Miami (l Soderling); Roland Garros (l Berdych)
YTD W-L: 28-11
YTD Titles: 1
Career Titles: 6
Date of Birth: June 25, 1982
South African Airways 2010 ATP Ranking: 14

Sadecky FastFacts:
2010 Highlights:
YTD W-L: 1-0
YTD Titles: 0
Career Titles: 0
Date of Birth: July 6, 1987
South African Airways 2010 ATP Ranking: 437

Igor Andreev (RUS) vs Marco Chiudinelli (SUI) Andreev Leads 1-0
05 Dubai (U.A.E.) Hard R32 Igor Andreev 6-3 7-5

Andreev FastFacts:
2010 Highlights:
SF: Costa Do Sauipe (l Kubot); QF: Buenos Aires (l Ferrer); Belgrade (l Querrey)
YTD W-L: 11-13
YTD Titles: 0
Career Titles: 3
Date of Birth: July 14, 1983
South African Airways 2010 ATP Ranking: 88

Chiudinelli FastFacts:
2010 Highlights:
QF: Stuttgart (l Gimeno-Traver)
YTD W-L: 10-20
YTD Titles: 0
Career Titles: 0
Date of Birth: September 10, 1981
South African Airways 2010 ATP Ranking: 63

Jeremy Chardy (FRA) vs Jarkko Nieminen (FIN) Nieminen Leads 1-0
07 Marseille (France) Hard R32 Jarkko Nieminen 6-7(1) 7-6(4) 7-6(6)

Chardy FastFacts:
2010 Highlights:
QF: Delray Beach (l Fish)
YTD W-L: 15-20
YTD Titles: 0
Career Titles: 1
Date of Birth: February 12, 1987
South African Airways 2010 ATP Ranking: 69

Nieminen FastFacts:
2010 Highlights:
SF: Delray Beach (l Gulbis)
YTD W-L: 14-17
YTD Titles: 0
Career Titles: 1
Date of Birth: July 23, 1981
South African Airways 2010 ATP Ranking: 59

(WC) Michael Lammer (SUI) vs (2) Nicolas Almagro (ESP)   First Meeting

Lammer FastFacts:
2010 Highlights:
QF: Auckland (l Montanes)
YTD W-L: 3-1
YTD Titles: 0
Career Titles: 0
Date of Birth: March 25, 1982
South African Airways 2010 ATP Ranking: 209

Almagro FastFacts:
2010 Highlights:
W: Båstad (d Soderling); SF: ATP World Tour Masters 1000 Madrid (l Nadal); QF: Acapulco (l Ferrero); ATP World Tour Masters 1000 Miami (l Roddick); Munich (l Cilic); Roland Garros (l Nadal)
YTD W-L: 34-18
YTD Titles: 1
Career Titles: 6
Date of Birth: August 21, 1985
South African Airways 2010 ATP Ranking: 18

Court 1

(Q) Yuri Schukin (KAZ) vs Frederico Gil (POR)  First Meeting

Schukin FastFacts:
2010 Highlights:
YTD W-L: 2-1
YTD Titles: 0
Career Titles: 0
Date of Birth: June 26, 1979
South African Airways 2010 ATP Ranking: 147

Gil FastFacts:
2010 Highlights:
F: Estoril (l Montanes)
YTD W-L: 9-9
YTD Titles: 0
Career Titles: 0
Date of Birth: March 24, 1985
South African Airways 2010 ATP Ranking: 83