LONDON (AFP) - Umar Gul became the first bowler to claim five wickets in Twenty20 internationals as Pakistan shot New Zealand out for 99 in a must-win game at the world championships on Saturday. Seamer Gul finished with amazing figures of five wickets for six runs in three overs to build on Abdur Razzaq's memorable return to official cricket after two years. Scott Styris' 22 was New Zealand's top score on the easy-paced Oval wicket as eight batsmen failed to reach double figures. Pakistan, who lost their first Super Eights match to Sri Lanka on Friday, need a win to keep their semi-final hopes alive. New Zealand thrashed Ireland by 83 runs at Trent Bridge on Thursday and will virtually book a place in the last four if they beat Pakistan.Razzaq, who last played for Pakistan in May 2007, grabbed a wicket off his fourth delivery and another one in his third over to reduce New Zealand to 37-3. The 29-year-old was called up as a replacement for the injured Yasir Arafat after breaking links with the rebel Indian Cricket League. Asked to open the bowling by captain Younus Khan, Razzaq had the dangerous Brendon McCullum caught at point before trapping Martin Guptill leg-before. Gul, brought on as the sixth bowler, struck immediately as Shahid Afridi sprinted back from mid-on to catch Scott Styris (22) near the boundary. The steady seamer claimed four of the last five wickets to leave Pakistan chasing a modest target of 5.5 runs an over. Pakistan omitted opener Salman Butt to play 19-year-old rookie Shahzaib Hasan and brought in Razzaq in place of Sohail Tanvir. New Zealand captain Daniel Vettori made his first appearance in the tournament following a shoulder injury, but batsman Ross Taylor again missed out with a hamstring strain. SCOREBOARD NEW ZEALAND: B. McCullum c Alam b Razzaq 12 A. Redmond c Gul b Aamer 15 M. Guptill lbw b Razzaq 8 S. Styris c Afridi b Gul 22 J. Oram c Misbah b Afridi 5 P. McGlashan lbw b Gul 8 N. McCullum b Gul 7 J. Franklin b Gul 7 D. Vettori run out 8 K. Mills c Shahzaib b Gul 0 I. Butler not out 1 EXTRAS: (lb4, w2) 6 TOTAL: (all out, 18.3 overs) 99 Fall of wickets: 1-17 (B. McCullum), 2-33 (Redmond), 3-37 (Guptill), 4-55 (Oram), 5-73 (Styris), 6-73 (McGlashan), 7-88 (N. McCullum), 8-93 (Franklin), 9-93 (Mills). BOWLING: Aamer 3-0-23-1 Razzaq 3.3-1-17-2 Ajmal 4-0-24-0 Afridi 4-0-17-1 (w1) Malik 1-0-8-0 Gul 3-0-6-5 (w1) Pakistan: Younus Khan (capt), Shahzaib Hasan, Kamran Akmal, Shoaib Malik, Misbah-ul-Haq, Shahid Afridi, Fawad Alam, Abdur Razzaq, Umar Gul, Mohammad Aamir, Saeed Ajmal. Toss: New Zealand; Umpires: Rod Tucker (AUS) and Mark Benson (ENG) TV umpire: Rudi Koertzen (RSA) Match referee: Ranjan Madugalle (SRI)