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 K7d7 win in 5 half-moves
3 K7f8 win in 5 half-moves
4 K8d7 win in 5 half-moves
5 Rc6 win in 7 half-moves
6 K7f7 draw
7 K8d8 draw
8 K8f7 draw
9 K8f8 draw
10 Kd6 draw
11 Ke6 draw
12 Kf6 draw
13 Ra7 draw
14 Rb7 draw
15 Rc1 draw
16 Rc5 draw
17 Rc8 draw
18 Rd7 draw
19 Rc2 loss in 2 half-moves
20 Rc3 loss in 2 half-moves
21 Rc4 loss in 2 half-moves