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

EGTB: win in 4 half-moves

# move score
1 K8c7 win in 3 half-moves
2 K8e7 win in 3 half-moves
3 K7c8 win in 5 half-moves
4 K8c8 win in 5 half-moves
5 Kc6 win in 5 half-moves
6 Rb6 win in 5 half-moves
7 Rc8 win in 5 half-moves
8 K7c7 draw
9 K7e7 draw
10 K7e8 draw
11 K8e8 draw
12 Kd6 draw
13 Ke6 draw
14 Ra8 draw
15 Rb3 draw
16 Rb4 draw
17 Rb5 draw
18 Rb7 draw
19 Rb1 loss in 2 half-moves
20 Rb2 loss in 2 half-moves