| 255 | [unknown] & [unknown] | Pakistan Under-19s v Australia Under-19s | No 1 Sports Ground, Newcastle | 1997/98 |
| 242 | HS Bhatia (125) & Mandeep Singh (126) | India Under-19s v Australia Under-19s | Bellerive Oval, Hobart | 2008/09 |
| 213 | N Hussain (170) & OCK Smith (105) | England Young Cricketers v Sri Lanka Young Cricketers | Asgiriya Stadium, Kandy | 1986/87 |
| 211 | PD Bowler (128) & GS Trimble (116) | Australia Under-19s v Pakistan Under-19s | Tasmania Cricket Association Ground, Hobart | 1981/82 |
| 210 | PN Silva (172) & WMK Bandara (121) | Sri Lanka Under-19s v South Africa Under-19s | Welagedara Stadium, Kurunegala | 2016 |
| 182 | JA Merlo (100*) & JR Edwards (106) | Australia Under-19s v Sri Lanka Under-19s | Kingston Twin Ovals, Hobart | 2016/17 |
| 179 | AA Kundu (90) & R Kumar (85) | India Under-19s v England Under-19s | The Kent County Cricket Ground, Beckenham | 2025 |
| 178 | [unknown] & [unknown] | Sri Lanka Young Cricketers v England Young Cricketers | Trent Bridge, Nottingham | 1986 |
| 174 | [unknown] & [unknown] | Pakistan Under-19s v Australia Under-19s | Western Australia Cricket Association Ground, Perth | 1981/82 |
| 171 | [unknown] & [unknown] | Australia Under-19s v Pakistan Under-19s | Gaddafi Stadium, Lahore | 1996/97 |
| 171 | KS Williamson (151) & HKP Boam (68) | New Zealand Under-19s v England Under-19s | County Ground, New Road, Worcester | 2008 |
| 160 | [unknown] & [unknown] | England Young Cricketers v New Zealand Young Cricketers | Old Trafford, Manchester | 1989 |
| 160 | PH Shah (282) & N Wadhera (64) | India Under-19s v Sri Lanka Under-19s | Mahinda Rajapaksha International Cricket Stadium, Hambantota | 2018 |
| 158 | [unknown] & [unknown] | India Under-19s v New Zealand Under-19s | Brabourne Stadium, Bombay | 1991/92 |
| 156 | [unknown] & [unknown] | Australia Under-19s v England Under-19s | Riverside Ground, Chester-le-Street | 1999 |
| 153 | Khalid Latif (77) & Sulaman Qadir (82) | Pakistan Under-19s v Sri Lanka Under-19s | Nondescripts Cricket Club Ground, Colombo | 2003 |
| 150 | [unknown] & [unknown] | Sri Lanka Young Cricketers v England Young Cricketers | The Royal and Sun Alliance County Ground, Bristol | 1986 |
| 145 | [unknown] & [unknown] | New Zealand Young Cricketers v England Young Cricketers | Old Trafford, Manchester | 1989 |
| 145 | SS Tiwary (77) & A Mukund (108) | India Under-19s v Sri Lanka Under-19s | Asgiriya Stadium, Kandy | 2007 |
| 143 | [unknown] & [unknown] | Australia Under-19s v India Under-19s | Vellyani Agricultural College Ground, Thiruvananthapuram | 1993/94 |
| 142 | DR Martyn (179) & MR Foster (132) | Australia Young Cricketers v England Young Cricketers | Grace Road, Leicester | 1991 |
| 142 | MA Gough (116) & RKJ Dawson (45) | England Under-19s v New Zealand Under-19s | Basin Reserve, Wellington | 1998/99 |
| 138 | F du Plessis (177) & ET Springer (77) | South Africa Under-19s v England Under-19s | County Ground, Chelmsford | 2003 |
| 138 | JR Doran (169) & TA Healy (66) | Australia Under-19s v England Under-19s | Western Australia Cricket Association Ground, Perth | 2014/15 |
| 135 | G Roelofsen (149) & BS Makhanya (56) | South Africa Under-19s v England Under-19s | FP Fenner's Ground, Cambridge | 2014 |
| 134 | [unknown] & [unknown] | Australia Young Cricketers v England Young Cricketers | North Sydney Oval, Sydney | 1989/90 |
| 134 | JP Crawley (130) & RC Irani (73) | England Young Cricketers v Australia Young Cricketers | County Ground, Chelmsford | 1991 |
| 131 | [unknown] & [unknown] | England Under-19s v Zimbabwe Under-19s | Queens Sports Club, Bulawayo | 1995/96 |
| 131 | Shahzaib Khan (174) & Obaid Shahid (67) | Pakistan Under-19s v Bangladesh Under-19s | Zohur Ahmed Chowdhury Stadium, Chittagong | 2022/23 |
| 130 | [unknown] & [unknown] | South Africa Under-19s v India Under-19s | Feroz Shah Kotla, Delhi | 1995/96 |
| 128 | DPS Sooriyabandara (115) & GS Dinusha (51) | Sri Lanka Under-19s v India Under-19s | Mahinda Rajapaksha International Cricket Stadium, Hambantota | 2018 |
| 127 | [unknown] & [unknown] | New Zealand Under-19s v Australia Under-19s | Waitara Oval, Sydney | 1995/96 |
| 126 | OE Westbury (196) & OJD Pope (78) | England Under-19s v Sri Lanka Under-19s | FP Fenner's Ground, Cambridge | 2016 |
| 125 | S Sharma (99) & P Aziz (65) | India Under-19s v England Under-19s | Denis Compton Oval, Shenley | 2006 |
