| 9 | Harrow Wanderers v Old Merchant Taylors | Durrants Sports Ground, Croxley Green | 1983 |
| 8 | Harrow Wanderers v Charterhouse Friars | Charterhouse School, Godalming | 1972 |
| 8 | Harrow Wanderers v Old Malvernians | Burton's Court, Chelsea | 1975 |
| 8 | Harrow Wanderers v Old Westminsters | Harrow School Cricket Ground, Harrow-on-the-Hill | 1980 |
| 8 | Harrow Wanderers v Old Cheltonians | College Ground, Cheltenham | 1997 |
| 8 | Harrow Wanderers v Bradfield Waifs | Bradfield College, Reading | 2023 |
| 7 | Harrow Wanderers v Charterhouse Friars | Charterhouse School, Godalming | 1967 |
| 7 | Harrow Wanderers v Rugby Meteors | Harrow School Cricket Ground, Harrow-on-the-Hill | 1974 |
| 7 | Harrow Wanderers v Radley Rangers | Harrow School Cricket Ground, Harrow-on-the-Hill | 1978 |
| 7 | Harrow Wanderers v Charterhouse Friars | Charterhouse School, Godalming | 1981 |
| 7 | Harrow Wanderers v Shrewsbury Saracens | Shrewsbury School, Shrewsbury | 2003 |
| 7 | Harrow Wanderers v Old Cranleighans | Jubilee, Cranleigh School | 2007 |
| 7 | Harrow Wanderers v Charterhouse Friars | Harrow School Cricket Ground, Harrow-on-the-Hill | 2009 |
| 7 | Harrow Wanderers v Old Tonbridgians | Tonbridge School Ground, Tonbridge | 2024 |
| 6 | Harrow Wanderers v Old Wellingtonians | Harrow School Cricket Ground, Harrow-on-the-Hill | 1968 |
| 6 | Harrow Wanderers v Old Malvernians | Burton's Court, Chelsea | 1968 |
| 6 | Harrow Wanderers v Old Tonbridgians | Harrow School Cricket Ground, Harrow-on-the-Hill | 1980 |
| 6 | Harrow Wanderers v Old Tonbridgians | Tonbridge School Ground, Tonbridge | 1984 |
| 6 | Harrow Wanderers v Old Blundellians | Harrow School Cricket Ground, Harrow-on-the-Hill | 1985 |
| 6 | Harrow Wanderers v Repton Pilgrims | Harrow School Cricket Ground, Harrow-on-the-Hill | 1986 |
| 6 | Harrow Wanderers v Oundle Rovers | Harrow School Cricket Ground, Harrow-on-the-Hill | 1993 |
| 6 | Harrow Wanderers v Old Cheltonians | Harrow School Cricket Ground, Harrow-on-the-Hill | 1995 |
| 6 | Harrow Wanderers v Bradfield Waifs | Bradfield College, Reading | 1996 |
| 6 | Harrow Wanderers v Sherborne Pilgrims | Harrow School Cricket Ground, Harrow-on-the-Hill | 2002 |
| 6 | Harrow Wanderers v Rugby Meteors | Rugby School Ground, Rugby | 2012 |
| 6 | Harrow Wanderers v Old Brightonians | Harrow School Cricket Ground, Harrow-on-the-Hill | 2015 |
| 6 | Harrow Wanderers v Shrewsbury Saracens | Shrewsbury School, Shrewsbury | 2022 |
| 5 | Harrow Wanderers v Uppingham Rovers | Harrow School Cricket Ground, Harrow-on-the-Hill | 1968 |
| 5 | Harrow Wanderers v St Edward's Martyrs | Harrow School Cricket Ground, Harrow-on-the-Hill | 1969 |
| 5 | Harrow Wanderers v Marlborough Blues | Harrow School Cricket Ground, Harrow-on-the-Hill | 1975 |
| 5 | Harrow Wanderers v Oundle Rovers | Harrow School Cricket Ground, Harrow-on-the-Hill | 1975 |
| 5 | Harrow Wanderers v Old Merchant Taylors | Harrow School Cricket Ground, Harrow-on-the-Hill | 1991 |
| 5 | Harrow Wanderers v Oundle Rovers | Harrow School Cricket Ground, Harrow-on-the-Hill | 1991 |
| 5 | Harrow Wanderers v Old Merchant Taylors | Harrow School Cricket Ground, Harrow-on-the-Hill | 1993 |
| 5 | Harrow Wanderers v Stowe Templars | Harrow School Cricket Ground, Harrow-on-the-Hill | 1994 |
| 5 | Harrow Wanderers v Haileybury Hermits | Harrow School Cricket Ground, Harrow-on-the-Hill | 1998 |
| 5 | Harrow Wanderers v Old Cheltonians | College Ground, Cheltenham | 2008 |
| 5 | Harrow Wanderers v Rugby Meteors | Rugby School Ground, Rugby | 2010 |
| 5 | Harrow Wanderers v Old Malvernians | Harrow School Cricket Ground, Harrow-on-the-Hill | 2010 |
| 5 | Harrow Wanderers v Old Cheltonians | Harrow School Cricket Ground, Harrow-on-the-Hill | 2012 |
| 5 | Harrow Wanderers v St Edward's Martyrs | St Edward's School Ground, Oxford | 2012 |
| 5 | Harrow Wanderers v Old Wykehamists | Ridding Field, Winchester | 2012 |
| 5 | Harrow Wanderers v Old Cheltonians | College Ground, Cheltenham | 2014 |
| 5 | Harrow Wanderers v Old Malvernians | Harrow School Cricket Ground, Harrow-on-the-Hill | 2015 |
| 5 | Harrow Wanderers v Old Cranleighans | Jubilee, Cranleigh School | 2016 |
| 5 | Harrow Wanderers v Old Malvernians | North End Lane, Malvern | 2021 |
