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

EGTB: win in 4 half-moves

# move score
1 Kb4 win in 3 half-moves
2 Ka1 draw
3 Ka2 draw
4 Ka3 draw
5 Kb1 draw
6 Kb3 draw
7 Kb5 draw
8 Kc1 draw
9 Kc2 draw
10 Kc3 draw
11 Kc4 draw
12 Kd4 draw
13 Ra1 draw
14 Ra2 draw
15 Ra3 draw
16 Ra4 draw
17 Kb6 loss in 2 half-moves
18 Kc6 loss in 2 half-moves
19 Kd5 loss in 2 half-moves
20 Kd6 loss in 2 half-moves
21 Ra6 loss in 2 half-moves
22 Ra7 loss in 2 half-moves
23 Ra8 loss in 2 half-moves
24 Rb5 loss in 2 half-moves