| Event Name | Date Played | Black Pieces | White Pieces | Result |
|---|---|---|---|---|
| US National 1958 | 1958-??-?? | Markusic, E. | Lowder, E. | Draw |
| US National 1958 | 1958-??-?? | Lowder, E. | Markusic, E. | Draw |
| US National 1958 | 1958-??-?? | Markusic, E. | Clayton, J. | White Wins |
| US National 1958 | 1958-??-?? | Clayton, J. | Markusic, E. | Draw |
| US National 1968 | 1968-??-?? | Scheidt, E.F | Markusic, E. | Draw |
| US National 1968 | 1968-??-?? | Markusic, E. | Scheidt, E.F | White Wins |
| US National 1968 | 1968-??-?? | Markusic, E. | Taylor, L. | White Wins |
| US National 1968 | 1968-??-?? | Taylor, L. | Markusic, E. | Draw |
| US National 1968 | 1968-??-?? | Markusic, E. | Hanson, K. | Draw |
| US National 1968 | 1968-??-?? | Hanson, K. | Markusic, E. | Draw |
| US National 1968 | 1968-??-?? | Markusic, E. | Hanson, K. | Draw |
| US National 1968 | 1968-??-?? | Hanson, K. | Markusic, E. | Black Wins |
| US National 1968 | 1968-??-?? | Markusic, E. | Lowder, E. | White Wins |
| US National 1968 | 1968-??-?? | Lowder, E. | Markusic, E. | Black Wins |
| US National 1968 | 1968-??-?? | Markusic, E. | Eubank, W. | Draw |