Sixteen year old amateurs Lisa and Leona Maguire made the cut with ease as Norway’s Suzann Pettersen shot a course record 63 to grab a share of the lead entering the final round of the Ladies Irish Open at Killeen Castle.

European Amateur champion Lisa shot a four under par 68 to share 13th place with major winner Catriona Matthew and Becky Brewerton of Wales on five under with twin sister on one over after adding a 72 to her opening 73.

Martina Gillen was the only other Irish player to make the cut after a 70 helped her survive on the two over par limit.

Petteren, the 30 year old Norwegian world number three, fired seven birdies and an eagle on the par-five 12th in a nine under par effort to share the lead with Dewi Claire Schreefel after the Dutch player’s six-under 66.

Spain’s Azahara Munoz Guijarro is a shot behind after a 68 with first round joint leaders Alison Walshe of the US in a five-way tie for  fourth after a 70.

Ladies Irish Open supported by Fáilte Ireland, Killeen Castle, August 5-7, 2011

After 36 holes

134 Suzann Pettersen (NOR) 71 63, Dewi Claire Schreefel (NL) 68 66

135 Azahara Munoz Guijarro (ESP) 67 68

136 Maria Hjorth (SWE) 67 69, Alison Walshe (USA) 66 70, Melissa Reid (ENG) 70 66, Lee-Anne Pace (SA) 67 69, Julieta Granada (PAR) 70 66

137 Laura Davies (ENG) 69 68, Karen Lunn (AUS) 68 69

138 Giulia Sergas (ITA) 70 68, Caroline Hedwall (SWE) 68 70

139 Catriona Matthew (SCO) 71 68, Lisa Maguire (Am) (IRE) 71 68, Becky Brewerton (WAL) 72 67

140 Ashleigh Simon (SA) 68 72

141 Mollie Fankhauser (USA) 68 73, Christina Kim (USA) 73 68, Anna Nordqvist (SWE) 74 67, Tania Elosegui (ESP) 72 69, Lisa Holm Sorensen (DEN) 75 66, Lynnette Brooky (NZ) 70 71, Karen Stupples (ENG) 69 72, Anne-Lise Caudal (FRA) 66 75, Alexis Thompson (USA) 70 71, Stacy Lewis (USA) 72 69, Florentyna Parker (ENG) 70 71

142 Nikki Garrett (AUS) 74 68, Virginie Lagoutte-Clement (FRA) 69 73, Joanna Klatten (FRA) 73 69

143 Kylie Walker (SCO) 73 70, Sophie Gustafson (SWE) 69 74, Margherita Rigon (ITA) 68 75, Sophie Giquel-Bettan (FRA) 71 72, Beatriz Recari (ESP) 69 74, Henrietta Zuel (ENG) 72 71

144 Anja Monke (GER) 72 72, Kaisa Ruuttila (FIN) 72 72, Charlie Douglass (ENG) 71 73, Belen Mozo (ESP) 73 71

145 Jaclyn Sweeney (USA) 72 73, Sara Brown (USA) 78 67, Danielle Montgomery (ENG) 71 74, Veronica Zorzi (ITA) 74 71, Trish Johnson (ENG) 74 71, Minea Blomqvist (FIN) 72 73, Tandi Cuningham (SA) 75 70, Beth Allen (USA) 74 71, Sandra Gal (GER) 73 72, Linda Wessberg (SWE) 69 76, Leona Maguire (Am) (IRE) 73 72, Marianne Skarpnord (NOR) 74 71, Diana D’Alessio (USA) 73 72, Ursula Wikstrom (FIN) 72 73, Danah Bordner (USA) 72 73

146 Line Vedel (DEN) 75 71, Georgina Simpson (ENG) 74 72, Christel Boeljon (NL) 69 77, Felicity Johnson (ENG) 72 74, Elizabeth Bennett (ENG) 73 73, Titiya Plucksataporn (THA) 70 76, Lynn Kenny (SCO) 70 76, Caroline Masson (GER) 71 75, Martina Gillen (IRE) 76 70, Becky Morgan (WAL) 76 70, Pernilla Lindberg (SWE) 79 67

Missed the cut

147 Caroline Afonso (FRA) 76 71, Rachel Jennings (ENG) 70 77, Rebecca Codd (IRE) 74 73, Stacey Keating (AUS) 75 72, Kim Welch (USA) 68 79

148 Louise Stahle (SWE) 74 74, Julie Maisongrosse (FRA) 71 77, Melodie Bourdy (FRA) 74 74, Emma Cabrera-Bello (ESP) 73 75, Vicky Hurst (USA) 74 74, Lydia Hall (WAL) 71 77

149 Sophie Walker (ENG) 76 73, Lotta Wahlin (SWE) 75 74, Zuzana Kamasova (SVK) 77 72, Jeehae Lee (KOR) 74 75, Liebelei Elena Lawrence (LU) 79 70, Louise Larsson (SWE) 74 75, Bree Arthur (AUS) 80 69, Rachel Bell (ENG) 74 75

150 Stefanie Michl (AUT) 75 75, Adriana Zwanck (ESP) 78 72, Caroline Rominger (SWI) 73 77, Stacy Lee Bregman (SA) 75 75

151 Elisabeth Esterl (GER) 73 78, Cassandra Kirkland (FRA) 78 73, Diana Luna (ITA) 74 77, Rebecca Hudson (ENG) 72 79, Danielle McVeigh (IRE) 78 73, Benedicte Toumpsin (BEL) 78 73, Sarah Kemp (AUS) 76 75

152 Rebecca Flood (AUS) 79 73, Tara Davies (WAL) 70 82, Nicole Gergely (AUT) 74 78, Emma Zackrisson (SWE) 78 74, Klara Spilkova (CZE) 77 75, Carin Koch (SWE) 75 77, Kiran Matharu (ENG) 74 78, Malene Jorgensen (DEN) 73 79, Sophie Sandolo (ITA) 73 79, Morgana Robbertze (SA) 70 82

153 Lucie Andre (FRA) 76 77, Christine Hallstrom (SWE) 79 74, Vikki Laing (SCO) 82 71, Caroline Westrup (SWE) 79 74, Frances Bondad (AUS) 77 76

154 Jade Schaeffer (FRA) 78 76, Lisa Hall (ENG) 77 77, Gwladys Nocera (FRA) 74 80

155 Lora Fairclough (ENG) 78 77

156 Stefania Croce (ITA) 73 83, Riikka Hakkarainen (FIN) 76 80, Tara Delaney (IRE) 76 80

158 Clare Queen (SCO) 80 78

159 Jenni Kuosa (FIN) 76 83

160 Laurette Maritz (SA) 79 81

163 Hazel Kavanagh (IRE) 85 78

165 Laura Cabanillas (ESP) 82 83

167 Ana Larraneta (ESP) 83 84

RTD Holly Aitchison (ENG) RTD RTD, Kristie Smith (AUS) RTD RTD