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

EGTB: win in 4 half-moves

# move score
1 Rb4 win in 3 half-moves
2 Kb4 draw
3 Kd4 draw
4 Ke1 draw
5 Ke2 draw
6 Ke3 draw
7 Kf1 draw
8 Kg1 draw
9 Kg2 draw
10 Ra1 draw
11 Ra2 draw
12 Ra3 draw
13 Ra8 draw
14 Kb3 loss in 2 half-moves
15 Kb5 loss in 2 half-moves
16 Kc3 loss in 2 half-moves
17 Kc5 loss in 2 half-moves
18 Kd3 loss in 2 half-moves
19 Kd5 loss in 2 half-moves
20 Kf3 loss in 2 half-moves
21 Kg3 loss in 2 half-moves
22 Ra5 loss in 2 half-moves
23 Ra6 loss in 2 half-moves
24 Ra7 loss in 2 half-moves