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 K8d8 win in 3 half-moves
3 K7f7 draw
4 K7f8 draw
5 K8f7 draw
6 K8f8 draw
7 Ke6 draw
8 Kf6 draw
9 Rc2 draw
10 K7d7 loss in 2 half-moves
11 K8d7 loss in 2 half-moves
12 Kd6 loss in 2 half-moves
13 Ra8 loss in 2 half-moves
14 Rb8 loss in 2 half-moves
15 Rc1 loss in 2 half-moves
16 Rc3 loss in 2 half-moves
17 Rc4 loss in 2 half-moves
18 Rc5 loss in 2 half-moves
19 Rc6 loss in 2 half-moves
20 Rc7 loss in 2 half-moves
21 Rd8 loss in 2 half-moves