Former Wimbledon champ to join talented Rhydypenau Primary School pupil on court. One Cardiff tennis hopeful’s dream will come true this week when they get to meet eight-time Grand Slam-winning star Andre Agassi. Elina Pickerd-Barua, 9, sealed her audience with the 1992 Wimbledon champion after battling through the national finals of David Lloyd Leisure’s Tennis All Stars Championships last December – coming runner-up in the nine and under Orange section. It was the culmination of three months of competition, beginning…