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

EGTB: win in 4 half-moves

# move score
1 K4b5 win in 3 half-moves
2 K6b5 win in 3 half-moves
3 Kb4 win in 3 half-moves
4 Kb6 win in 3 half-moves
5 Rb8 win in 3 half-moves
6 Rd8 win in 3 half-moves
7 Kb7 win in 5 half-moves
8 Kc7 win in 5 half-moves
9 Kd7 win in 7 half-moves
10 Kd6 win in 9 half-moves
11 Ra4 win in 9 half-moves
12 Ra6 win in 9 half-moves
13 Kb3 win in 11 half-moves
14 Kc3 win in 11 half-moves
15 Kd4 win in 11 half-moves
16 Ra7 win in 11 half-moves
17 K4c5 win in 13 half-moves
18 K6c5 win in 13 half-moves
19 Kd3 win in 13 half-moves
20 K4d5 draw
21 K6d5 draw
22 Ra1 draw
23 Rc8 draw
24 Re8 draw
25 Ra2 loss in 2 half-moves
26 Ra3 loss in 2 half-moves
27 Ra5 loss in 2 half-moves
28 Rf8 loss in 2 half-moves
29 Rg8 loss in 2 half-moves
30 Rh8 loss in 2 half-moves