The fourth stage of the SLP Competition 2018, held on 12-13 of May, again brought strong performances and interesting shifts in the interim evaluation. Kees Schout (NL294) topped the leaderboard with 6,765 points, closely followed by Alex Gorbunov (US-Q-73) with 6,307 points and Marc Stinkens (ONL4638) with 5,796 points. The full results show a wide range of activity from regulars to less-represented stations, with point gains from this leg heavily influencing the overall standings — NL294 leads with 27,173 points, US-Q-73 holds second place with 21,052 points, and ONL4638 has 15,732 points. This stage confirmed the balance and importance of each submitted session in the fight for the final positions.
4th stage of SLP Competition 2018, May 12-13
| Name | SWL ID | The score | |
| 1 | Kees Schout | NL294 | 6765 |
| 2 | Alex Gorbunov | US-Q-73 | 6307 |
| 3 | Marc Stinkens | ONL4638 | 5796 |
| 4 | Johan Heus | NL9723 | 2772 |
| 5 | Sjuk Veenstra | NL6904 | 1716 |
| 6 | Aleksandr Boyko | US-Q-2115 | 1406 |
| 7 | Francois Conraux | F-80248 | 946 |
| 8 | Helmut Grund | DE2HUG | 759 |
| 9 | Gennadiy Drozdov | UA3182SWL | 120 |
| 10 | Oleg Ivanchenko | UB50734221 | 1 |
Current ranking of SLP Competition 2018
| SWL | SLP1 | SLP2 | SLP3 | SLP4 | SLP5 | SLP6 | SLP7 | SLP8 | Total |
| NL294 | 4928 | 2366 | 13114 | 6765 | 27173 | ||||
| US-Q-73 | 1860 | 2535 | 10350 | 6307 | 21052 | ||||
| ONL4638 | 3216 | 0 | 6720 | 5796 | 15732 | ||||
| NL9723 | 2496 | 4400 | 3168 | 2772 | 12836 | ||||
| US-Q-2115 | 1975 | 992 | 6572 | 1406 | 10945 | ||||
| DE2HUG | 1643 | 459 | 5335 | 759 | 8196 | ||||
| OK2-9329 | 0 | 0 | 4950 | 0 | 4950 | ||||
| F-80248 | 598 | 375 | 2090 | 946 | 4009 | ||||
| UA3182SWL | 88 | 585 | 2880 | 120 | 3673 | ||||
| NL6904 | 0 | 0 | 0 | 1716 | 1716 | ||||
| OK2-36449 | 0 | 0 | 1296 | 0 | 1296 | ||||
| R7R007 | 1000 | 0 | 0 | 0 | 1000 | ||||
| NL13740 | 0 | 0 | 560 | 0 | 560 | ||||
| UB50734221 | 36 | 0 | 48 | 1 | 85 |