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

EGTB: win in 4 half-moves

# move score
1 Re8 win in 3 half-moves
2 Kb8 draw
3 Kc8 draw
4 Ke7 draw
5 Ke8 draw
6 Rf8 draw
7 Rg3 draw
8 Rg7 draw
9 Rh8 draw
10 Ka7 loss in 2 half-moves
11 Kb7 loss in 2 half-moves
12 Kc7 loss in 2 half-moves
13 Kd7 loss in 2 half-moves
14 Rg1 loss in 2 half-moves
15 Rg2 loss in 2 half-moves
16 Rg4 loss in 2 half-moves
17 Rg5 loss in 2 half-moves
18 Rg6 loss in 2 half-moves