Third seed Marin Cilic will face Igor Sijsling in the second round of the Croatia Open.
Reigning champion Mikhail Youzhny will begin his Credit Agricole Swiss Open defence against Kenny de Schepper.
Top seed Sorana Cirstea overcame her recent shoulder problems to beat Ons Jabeur in the first round of the Baku Cup.
Our Andy Schooler says there's something not right about Victor Troicki's wild card in Gstaad this week.
Heather Watson was broken seven times as she was dumped out of the first round of the Baku Cup by Kristina Mladenovic.
Sam Querrey safely reached the last 16 of the BB&T Atlanta Open but two American hopefuls failed to qualify.
Viktor Troicki enjoyed a winning return to competitive tennis in the first round of the Swiss Open in Gstaad.
Wildcard Borna Coric impressed with a straight-sets victory over Edouard Roger-Vasselin in the Croatian Open.
Bojana Jovanovski survived a scare before coming through her Baku Cup first-round match against Patricia Mayr-Achleitner.
Our tipster Andy Schooler feels Lukas Rosol's claycourt form makes him worth backing in Umag on the ATP World Tour this week.