| 303 | DW Lawrence (174) & JTA Burnham (148) | England Under-19s v Fiji Under-19s | MA Aziz Stadium, Chittagong | 2015/16 |
| 273 | BJ Watling (154) & BS Wilson (144*) | New Zealand Under-19s v Scotland Under-19s | Bangladesh Krira Shikkha Protisthan Ground, Savar | 2003/04 |
| 270 | MA Agarwal (160) & Mandeep Singh (151*) | India Under-19s v Australia Under-19s | Bellerive Oval, Hobart | 2008/09 |
| 250 | NA McSweeney (156) & JJ Sangha (88) | Australia Under-19s v Papua New Guinea Under-19s | Lincoln No 3, Lincoln | 2017/18 |
| 240 | DJ Pagon (176) & LMP Simmons (121*) | West Indies Under-19s v Scotland Under-19s | Carisbrook, Dunedin | 2001/02 |
| 231 | S Gill (160) & PP Shaw (105) | India Under-19s v England Under-19s | Wankhede Stadium, Mumbai | 2016/17 |
| 229 | Haseebullah Khan (136) & Qasim Akram (135*) | Pakistan Under-19s v Sri Lanka Under-19s | Sir Vivian Richards Stadium, North Sound | 2021/22 |
| 219 | V Suryavanshi (143) & V Malhotra (129) | India Under-19s v England Under-19s | Visit Worcestershire New Road, Worcester | 2025 |
| 213 | Sami Aslam (121) & Imam-ul-Haq (88) | Pakistan Under-19s v India Under-19s | Kinrara Academy Oval, Kuala Lumpur | 2012 |
| 213 | MP Breetzke (115) & R van Tonder (117) | South Africa Under-19s v New Zealand Under-19s | Hagley Oval, Christchurch | 2017/18 |
| 194 | TJ Bishop (112*) & KO Wickham (104) | West Indies Under-19s v Zimbabwe Under-19s | Diego Martin Sporting Complex, Diego Martin | 2021/22 |
| 190 | SP Goswami (97) & TM Srivastava (105*) | India Under-19s v South Africa Under-19s | Sinovich Park, Sinoville, Pretoria | 2007/08 |
| 186 | L Banks (120) & WG Jacks (102) | England Under-19s v Canada Under-19s | Queenstown Events Centre, Queenstown | 2017/18 |
| 183 | M Bisla (128) & PA Patel (74) | India Under-19s v Canada Under-19s | Colin Maiden Park, Auckland | 2001/02 |
| 183* | JA Tattersall (73*) & RF Higgins (112*) | England Under-19s v Bangladesh Under-19s | County Ground, New Road, Worcester | 2013 |
| 183 | A Azad (121) & NT Tilak Varma (110) | India Under-19s v Pakistan Under-19s | Tyronne Fernando Stadium, Moratuwa | 2019/20 |
| 181 | J van Schalkwyk (164*) & Muhammed Bulbulia (62) | South Africa Under-19s v Bangladesh Under-19s | Willowmoore Park Main Oval, Benoni | 2025 |
| 180* | Zawad Abrar (130*) & Azizul Hakim (69*) | Bangladesh Under-19s v Sri Lanka Under-19s | Mahinda Rajapaksha International Cricket Stadium, Hambantota | 2024/25 |
| 179 | Liton Das (53) & Anamul Haque (128) | Bangladesh Under-19s v Pakistan Under-19s | Endeavour Park No 2, Townsville | 2012 |
| 178* | Khalid Latif (94*) & Jahangir Mirza (73*) | Pakistan Under-19s v Sri Lanka Under-19s | Galle International Stadium, Galle | 2003 |
| 175 | U Chand (121) & RNB Apparajith (90) | India Under-19s v Pakistan Under-19s | Kinrara Academy Oval, Kuala Lumpur | 2012 |
| 173 | [unknown] & [unknown] | Australia Under-19s v India Under-19s | Keenan Stadium, Jamshedpur | 1984/85 |
| 173 | [unknown] & [unknown] | India Under-19s v New Zealand Under-19s | Bert Sutcliffe Oval, Lincoln | 2006/07 |
| 171 | [unknown] & [unknown] | New Zealand Under-19s v Australia Under-19s | Lancaster Park, Christchurch | 1992/93 |
| 170 | TJ Moores (85) & JTA Burnham (109) | England Under-19s v Namibia Under-19s | Khan Shaheb Osman Ali Stadium, Fatullah | 2015/16 |
| 168* | DR Reynolds (49*) & TM Moody (110*) | Australia Under-19s v India Under-19s | Gujarat Stadium, Motera, Ahmedabad | 1984/85 |
| 163 | JJNP Bhula (83) & FH Allen (115*) | New Zealand Under-19s v West Indies Under-19s | Bay Oval, Mount Maunganui | 2017/18 |
| 162 | KC Brathwaite (102) & AT Alleyne (90) | West Indies Under-19s v Australia Under-19s | Port Trust Golden Jubilee Stadium, Visakhapatnam | 2011/12 |
| 161 | Imam-ul-Haq (133) & Hasan Raza (57) | Pakistan Under-19s v Scotland Under-19s | ICC Cricket Academy Ground No 2, Dubai | 2013/14 |
| 160 | GC Smith (74) & JA Rudolph (156*) | South Africa Under-19s v Nepal Under-19s | Air Force Ground, Katunayake | 1999/00 |
| 159 | CT Bancroft (125) & KR Patterson (86) | Australia Under-19s v Nepal Under-19s | Tony Ireland Stadium, Townsville | 2012 |
| 158* | AK Markram (105*) & KR Christoffels (56*) | South Africa Under-19s v Afghanistan Under-19s | Sharjah Cricket Association Stadium, Sharjah | 2013/14 |
| 156 | JJNP Bhula (180) & FH Allen (90) | New Zealand Under-19s v Kenya Under-19s | Hagley Oval, Christchurch | 2017/18 |
| 155 | H Hameed (97) & TP Alsop (107) | England Under-19s v South Africa Under-19s | Trent Bridge, Nottingham | 2014 |
| 155 | AA Kulkarni (108) & Musheer Khan (73) | India Under-19s v United States of America Under-19s | Mangaung Oval, Bloemfontein | 2023/24 |
| 154 | C Wickramasinghe (102) & SDL Daniel (59) | Sri Lanka Under-19s v Bangladesh Under-19s | Rangiri Dambulla International Stadium, Dambulla | 2021/22 |
| 153* | SU Parakh (109*) & AA Kundu (53*) | India Under-19s v Australia Under-19s | Cricket Association Puducherry Siechem Ground, Puducherry | 2024/25 |
| 152 | CT Bancroft (106) & KR Patterson (74) | Australia Under-19s v Sri Lanka Under-19s | Dr YS Rajasekhara Reddy ACA-VDCA Cricket Stadium, Visakhapatnam | 2011/12 |
