Semi-finals got underway with round robin winner Poole taking on this years pre-determined winner of the Grand Slam Series Morvan. Poole and Morvan traded blows with Morvan coming out two - one in a first to three concluding tomorrow. Thunderstorms brought the penultimate day of racing to an early close but with tomorrows forecast light and shifty the teams will be tested. The ability to change gears and stay focused will the key to success on the final day of racing.