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

EGTB: win in 4 half-moves

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