Games played by Marc Jonker
| White | ELO W | Black | ELO B | Result | Moves | ECO | Date | Tournament | View |
| Jonker, M | 2215 | Jonkman, H | 1-0  |
40 | C26 | 1990 | NED-ch op U20 |
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| Jonker, M | 2215 | Wilgenhof, O | 2220 | 0-1 |
65 | C17 | 1990 | Dieren op |
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| Jonker, M | Polgar, S | 2410 | 0-1 |
39 | B44 | 1990 | Wch U16 |
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| Jonker, M | 2215 | Klip, H | 2305 | ½-½ |
50 | C25 | 1990 | Dieren op |
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| Jonker, M | 2215 | Mazi, L | 2295 | 0-1 |
59 | B50 | 1990 | Dieren op |
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| Jonker, M | 2215 | Van Wely, L | 2400 | ½-½ |
50 | B80 | 1990 | Dieren op |
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| Jonker, M | Theulings, P | 1-0 |
55 | B04 | 1989 | Eindhoven |
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| Kuijf, N | Jonker, M | ½-½ |
37 | B07 | 1989 | Eindhoven |
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| Jonker, M | Bosch, J | ½-½ |
64 | B33 | 1989 | Eindhoven |
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