LAHORE Sri Lanka kicked off the Twenty20 International section of the ICC Womens Cricket Challenge with a bang as they won both of their fixtures, first against Pakistan and then against Ireland on Thursday in Potchefstroom, South Africa. Choosing to field first after winning the toss on a windy and overcast day, Sri Lanka proceeded to dismiss the Pakistani batters in quick succession. Marina Iqbal was the highest scorer with 16 runs before she was caught out by Manodara Surangika off Lasanthi Madushani. After that, it seemed that there was nothing the batters could do right. Captain Sana Mir, who had shown great skill in the ODI section of the tournament, departed after making just one run, while miscommunication between the batters at the crease resulted in three run outs and Pakistan were bowled out for a meagre 80. Sri Lanka lost only two wickets in the process of making the target. Sajeewani Galagedera was the stand out batter for the Sri Lankans, returning 42 not out when the side completed its win with 30 balls to spare. However, the sides second match was not as easily won, when they faced an Irish team desperate for a win. Having won the toss again, Sri Lanka elected to bat with Galagedera top scoring with 28 off 23 balls. Laura Delany and Isobel Joyce showed some aggressive bowling technique, each taking two wickets. Sri Lanka posted 127-6 at the end of its allotted 20 overs, Dilani Manodara also proved proficient with the bat scoring 26 not out. Irelands opening batters showed great promise and did well to score a combined 37 runs before Clare Shillington was bowled by Sripali Weerakkody for 14 runs in the fourth over. Despite a brave fight, Sri Lanka took crucial wickets, including that of Joyce for 37 runs and key top order batters Jill Whelan and Nikki Symmons and ultimately it won by 11 runs. In other matches, West Indies brought its good form from the ODI instalment into the T20Is when they beat South Africa by six wickets, with 19 balls to spare. After winning the toss and choosing to field first, West Indies proceeded to show the hosts why the team were semi-finalists at this years ICC Womens World Twenty20 in the West Indies. Stacey-Ann King led the wicket taking (3-19), limiting South Africa to a meagre 98 all out with just one ball remaining of its allotted overs. Score Summaries: T20 Group A At NWU1: West Indies beat South Africa by 6 wickets. South Africa 98 all out, 19.5 overs (Chetty 48; King 3-19, Mohammed 2-26) West Indies 101-4, 16.5 overs (Nero 39; Ismail 1-18. van Niekerk 1-21) At NWU1: South Africa beat Netherlands by 115 runs South Africa 205-1, 20 overs (Fritz 116 not out; Chetty 55) Netherlands 90-7, 20 overs (Wattenberg 22; Nel 2-12, Klaas 2-20) T20 Group B At NWU2: Sri Lanka beat Pakistan by 8 wickets Pakistan 80 all out, 19.3 overs (Iqbal 16; Kaushalya 2-17, Mudashani 2-17) Sri Lanka 84-2, 15 overs (Galagedara 42; Qureshi 1-20) At NWU2: Sri Lanka beat Ireland by 11 runs Sri Lanka 127-6, 20 overs (Galagedara 28; Delany 2-16, I. Joyce 2-22) Ireland 116-7, 20 overs (I. Joyce 37; Alwis 2-21, Weerakkody 1-16)