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

EGTB: win in 6 half-moves

# move score
1 Kab7 win in 5 half-moves
2 Kab8 draw
3 Kcb7 draw
4 Kd7 draw
5 Kd8 draw
6 Rb7 draw
7 Kb6 loss in 2 half-moves
8 Kc6 loss in 2 half-moves
9 Kc8 loss in 2 half-moves
10 Kcb8 loss in 2 half-moves
11 Kd6 loss in 2 half-moves
12 Ra1 loss in 2 half-moves
13 Ra2 loss in 2 half-moves
14 Ra3 loss in 2 half-moves
15 Ra4 loss in 2 half-moves
16 Ra5 loss in 2 half-moves
17 Ra6 loss in 2 half-moves