Andy Murray continues his European Open campaign this evening as he looks to reach the quarter-finals in Antwerp. Murray came through a scrappy 6-4 7-6 win over Kimmer Coppejans on Tuesday and now faces Pablo Cuevas, who he has beaten twice before. “I wasn’t that happy with some of the things I did on the court tonight. I didn’t serve well,” said Murray. “Mentally, in a lot of the matches I’ve played since I came back, when I’ve gotten ahead, I haven’t had that killer instinct. “Before, when I got ahead, I felt like I played well from in front, whereas I haven’t been doing that so much recently.” But former British no 1 Greg Rusedski says he been surprised by the level produced by Murray in his comeback. He said: “I’ve been pleasantly surprised. I thought it would be much more difficult for him, I thought it would take a little bit longer, but he’s played very, very well. “The question mark is still how much can his body take week in, week out. There’s still a long road back. “He’s played two matches back to back, but can he play three, four, five days in a row? It’s…