| Inns | HS |
| 235-9 | 43 | Old Wykehamists v Stowe Templars | Ridding Field, Winchester | 2014 |
| 207-8 | 47 | Old Wykehamists v Stowe Templars | Stowe School Ground, Stowe | 1994 |
| 187 | 45 | Old Wykehamists v Marlborough Blues | Ridding Field, Winchester | 1978 |
| 185 | 41 | Old Wykehamists v Charterhouse Friars | Burton's Court, Chelsea | 1981 |
| 183-9 | 45 | Old Wykehamists v Old Merchant Taylors | Ridding Field, Winchester | 1982 |
| 180 | 40 | Old Wykehamists v Old Cliftonians | Ridding Field, Winchester | 2008 |
| 170 | 47 | Old Wykehamists v Old Cholmeleians | Highgate School Ground, Highgate | 1980 |
| 164-7 | 46 | Old Wykehamists v Oundle Rovers | Ridding Field, Winchester | 1995 |
| 164 | 49 | Old Wykehamists v Old Whitgiftians | Ridding Field, Winchester | 1998 |
| 163 | 44 | Old Wykehamists v Old Eastbournians | Ridding Field, Winchester | 2017 |
| 162 | 31 | Old Wykehamists v Stowe Templars | Ridding Field, Winchester | 1996 |
| 161 | 47 | Old Wykehamists v Charterhouse Friars | Charterhouse School, Godalming | 1982 |
| 159 | 48 | Old Wykehamists v Old Tonbridgians | Tonbridge School Ground, Tonbridge | 2017 |
| 152 | 31 | Old Wykehamists v Harrow Wanderers | Ridding Field, Winchester | 2012 |
| 150-9 | unknown | Old Wykehamists v Old Wellingtonians | Ridding Field, Winchester | 1982 |
| 149 | 47 | Old Wykehamists v Old Cheltonians | Ridding Field, Winchester | 1993 |
| 147 | 38* | Old Wykehamists v Radley Rangers | Radley College Bigside Ground, Abingdon | 1987 |
| 147-9 | 39 | Old Wykehamists v Felsted Robins | Ridding Field, Winchester | 2002 |
| 146-9 | 25* | Old Wykehamists v Old Cheltonians | Ridding Field, Winchester | 1985 |
| 135 | 47 | Old Wykehamists v Old Tonbridgians | Ridding Field, Winchester | 1971 |
| 133 | 31 | Old Wykehamists v Charterhouse Friars | Charterhouse School, Godalming | 1975 |
| 132 | 41 | Old Wykehamists v Repton Pilgrims | Repton School Ground, Repton | 1968 |
| 128 | 48 | Old Wykehamists v Old Malvernians | Malvern College Ground, Malvern | 1990 |
| 128 | 42 | Old Wykehamists v Bradfield Waifs | Ridding Field, Winchester | 2018 |
| 125 | 29 | Old Wykehamists v Old Wellingtonians | Ridding Field, Winchester | 2003 |
| 121 | 37 | Old Wykehamists v Old Malvernians | Malvern College Ground, Malvern | 1967 |
| 120-5 | unknown | Old Wykehamists v Old Cheltonians | Ridding Field, Winchester | 1986 |
| 117 | 40* | Old Wykehamists v Oundle Rovers | Oundle School Ground, Oundle | 1985 |
| 113 | 33 | Old Wykehamists v Old Tonbridgians | Tonbridge School Ground, Tonbridge | 1973 |
| 113-9 | 34 | Old Wykehamists v Uppingham Rovers | Upper Field, Uppingham School | 2016 |
