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