Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 Re1 win in 3 half-moves
2 Kc4 draw
3 Kc5 draw
4 Kd4 draw
5 Kd6 draw
6 Ke4 draw
7 Ke6 draw
8 Kg1 draw
9 Kg2 draw
10 Kh2 draw
11 Re2 draw
12 Re3 draw
13 Re4 draw
14 Re6 draw
15 Rf5 draw
16 Rg5 draw
17 Rh5 draw
18 Kc6 loss in 2 half-moves
19 Re7 loss in 2 half-moves
20 Re8 loss in 2 half-moves