The Central College women’s tennis team had a productive trip to Dubuque Saturday, sweeping the University. of Dubuque and Loras College by 9-0 scores.   Central dominated Dubuque, winning all six singles matches in straight sets. The Dutch had to pull out a pair of three-set victories to complete the shutout over Loras including a win by Jaime Ruisch who prevailed at number 6 singles,   The Dutch are home Tuesday for a 3:30 p.m. match with Simpson College at the A.N. Kuyper Athletics Complex courts.