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

EGTB: win in 4 half-moves

# move score
1 K7d8 win in 3 half-moves
2 K7f8 win in 3 half-moves
3 K7d7 draw
4 K7f7 draw
5 K8d7 draw
6 K8d8 draw
7 K8f7 draw
8 K8f8 draw
9 Kd6 draw
10 Ke6 draw
11 Kf6 draw
12 Ra7 draw
13 Rb1 draw
14 Rb5 draw
15 Rb6 draw
16 Rb8 draw
17 Rc7 draw
18 Rb2 loss in 2 half-moves
19 Rb3 loss in 2 half-moves
20 Rb4 loss in 2 half-moves
21 Rd7 loss in 2 half-moves