<p class="title">Top seed Simona Halep eased into the Qatar Open quarterfinal with a 6-2, 6-3 victory over Ukrainian Lesia Tsurenko on Wednesday.</p>.<p class="bodytext">Fresh from helping Romania reach their first Fed Cup semifinal, Halep made a blistering start by racing into a 5-0 lead in the opening set.</p>.<p class="bodytext">She held off a brief challenge from Tsurenko in the second set before reeling off the last five games of the match to improve her head-to-head record against her opponent to 6-0.</p>.<p>Ninth seed Julia Goerges battled past American lucky loser Alison Riske 6-1, 6-7 (5), 6-4 in a marathon encounter, recovering from 2-4 down in the final set.</p>.<p class="bodytext">Fourth seed Elina Svitolina began her campaign with a 6-4, 6-4 win over 2017 French Open champion Jelena Ostapenko, avenging her two previous losses to the Latvian.</p>.<p class="bodytext">A neck injury has hampered the Ukrainian, who was playing her first match since the Australian Open quarterfinal defeat by eventual champion Naomi Osaka of Japan in January.</p>.<p class="bodytext">"I have been struggling since the Australian Open with my neck," Svitolina said after the match.</p>.<p class="bodytext">"It depends... on the practice, on the match, what I have, so it's tough to tell how I'm going to feel tomorrow, but every single day I try to get a treatment, I try to get some work done, and, you know, it's just a process."</p>.<p class="CrossHead">Wawrinka through </p>.<p>Swiss wildcard Stan Wawrinka booked a quarterfinal place at the ABN AMRO World Tennis Tournament in Rotterdam with a 6-4, 7-6 (4) victory over Canadian fourth seed Milos Raonic on Wednesday.</p>.<p>Wawrinka, seeking his first title since undergoing knee surgery in 2017, will next face another Canadian for a place in the last four after Denis Shapovalov defeated Tomas Berdych 6-4, 6-3 at the Ahoy arena.</p>.<p>Earlier on Wednesday, Damir Dzumhur outwitted third seed Stefanos Tsitsipas 6-4, 1-6, 7-5 in an opening round match. </p>.<p class="CrossHead">Isner pips Tomic</p>.<p>John Isner made quick work of Australia's Bernard Tomic to advance to the quarterfinal of the New York Open on Wednesday with a 7-6 (7), 6-4 victory.</p>.<p>The big-serving American sent down 27 aces, won 85 per cent points on his first serve and did not face a single break point as he wrapped up the match in 74 minutes at the Nassau Veterans Memorial Coliseum.</p>.<p>In the quarterfinal, the American will face Australian seventh seed Jordan Thompson, who defeated Christopher Eubanks 4-6, 6-1, 6-4 earlier on Wednesday. </p>.<p class="CrossHead">Fognini ousted </p>.<p>Spain's Jaume Munar battled back from a set down to defeat second-seeded Italian Fabio Fognini 4-6, 6-4, 7-5 in the Argentina Open on Wednesday and advance to the quarterfinals.</p>.<p>He will battle local hope Guido Pella for a place in the semifinals.</p>
<p class="title">Top seed Simona Halep eased into the Qatar Open quarterfinal with a 6-2, 6-3 victory over Ukrainian Lesia Tsurenko on Wednesday.</p>.<p class="bodytext">Fresh from helping Romania reach their first Fed Cup semifinal, Halep made a blistering start by racing into a 5-0 lead in the opening set.</p>.<p class="bodytext">She held off a brief challenge from Tsurenko in the second set before reeling off the last five games of the match to improve her head-to-head record against her opponent to 6-0.</p>.<p>Ninth seed Julia Goerges battled past American lucky loser Alison Riske 6-1, 6-7 (5), 6-4 in a marathon encounter, recovering from 2-4 down in the final set.</p>.<p class="bodytext">Fourth seed Elina Svitolina began her campaign with a 6-4, 6-4 win over 2017 French Open champion Jelena Ostapenko, avenging her two previous losses to the Latvian.</p>.<p class="bodytext">A neck injury has hampered the Ukrainian, who was playing her first match since the Australian Open quarterfinal defeat by eventual champion Naomi Osaka of Japan in January.</p>.<p class="bodytext">"I have been struggling since the Australian Open with my neck," Svitolina said after the match.</p>.<p class="bodytext">"It depends... on the practice, on the match, what I have, so it's tough to tell how I'm going to feel tomorrow, but every single day I try to get a treatment, I try to get some work done, and, you know, it's just a process."</p>.<p class="CrossHead">Wawrinka through </p>.<p>Swiss wildcard Stan Wawrinka booked a quarterfinal place at the ABN AMRO World Tennis Tournament in Rotterdam with a 6-4, 7-6 (4) victory over Canadian fourth seed Milos Raonic on Wednesday.</p>.<p>Wawrinka, seeking his first title since undergoing knee surgery in 2017, will next face another Canadian for a place in the last four after Denis Shapovalov defeated Tomas Berdych 6-4, 6-3 at the Ahoy arena.</p>.<p>Earlier on Wednesday, Damir Dzumhur outwitted third seed Stefanos Tsitsipas 6-4, 1-6, 7-5 in an opening round match. </p>.<p class="CrossHead">Isner pips Tomic</p>.<p>John Isner made quick work of Australia's Bernard Tomic to advance to the quarterfinal of the New York Open on Wednesday with a 7-6 (7), 6-4 victory.</p>.<p>The big-serving American sent down 27 aces, won 85 per cent points on his first serve and did not face a single break point as he wrapped up the match in 74 minutes at the Nassau Veterans Memorial Coliseum.</p>.<p>In the quarterfinal, the American will face Australian seventh seed Jordan Thompson, who defeated Christopher Eubanks 4-6, 6-1, 6-4 earlier on Wednesday. </p>.<p class="CrossHead">Fognini ousted </p>.<p>Spain's Jaume Munar battled back from a set down to defeat second-seeded Italian Fabio Fognini 4-6, 6-4, 7-5 in the Argentina Open on Wednesday and advance to the quarterfinals.</p>.<p>He will battle local hope Guido Pella for a place in the semifinals.</p>