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

EGTB: win in 4 half-moves

# move score
1 Kf4 win in 3 half-moves
2 Kg4 win in 3 half-moves
3 Kg5 win in 3 half-moves
4 Kc6 draw
5 Kf6 draw
6 Kfe4 draw
7 Kfe6 draw
8 Kg6 draw
9 Re7 draw
10 Kc4 loss in 2 half-moves
11 Kc5 loss in 2 half-moves
12 Kd4 loss in 2 half-moves
13 Kd6 loss in 2 half-moves
14 Kde4 loss in 2 half-moves
15 Kde6 loss in 2 half-moves
16 Re1 loss in 2 half-moves
17 Re2 loss in 2 half-moves
18 Re3 loss in 2 half-moves
19 Re4 loss in 2 half-moves
20 Re6 loss in 2 half-moves
21 Re8 loss in 2 half-moves