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

EGTB: win in 6 half-moves

# move score
1 K7b7 win in 5 half-moves
2 K8b7 win in 5 half-moves
3 Rb7 win in 5 half-moves
4 K7d7 draw
5 K8b8 draw
6 K8d7 draw
7 K8d8 draw
8 Ra8 draw
9 K7b8 loss in 2 half-moves
10 K7d8 loss in 2 half-moves
11 Kb6 loss in 2 half-moves
12 Kc6 loss in 2 half-moves
13 Kd6 loss in 2 half-moves
14 Ra1 loss in 2 half-moves
15 Ra2 loss in 2 half-moves
16 Ra3 loss in 2 half-moves
17 Ra4 loss in 2 half-moves
18 Ra5 loss in 2 half-moves
19 Ra6 loss in 2 half-moves