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

EGTB: win in 4 half-moves

# move score
1 Rb5 win in 3 half-moves
2 Kb5 draw
3 Kc7 draw
4 Kc8 draw
5 Kd5 draw
6 Kd8 draw
7 Kdc6 draw
8 Kdd6 draw
9 Ra3 draw
10 Ra7 draw
11 Kb4 loss in 2 half-moves
12 Kb6 loss in 2 half-moves
13 Kc4 loss in 2 half-moves
14 Kcc6 loss in 2 half-moves
15 Kcd6 loss in 2 half-moves
16 Kd4 loss in 2 half-moves
17 Ke6 loss in 2 half-moves
18 Ke7 loss in 2 half-moves
19 Ke8 loss in 2 half-moves
20 Ra1 loss in 2 half-moves
21 Ra2 loss in 2 half-moves
22 Ra4 loss in 2 half-moves
23 Ra6 loss in 2 half-moves
24 Ra8 loss in 2 half-moves