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

EGTB: win in 4 half-moves

# move score
1 Kb5 win in 3 half-moves
2 Kc5 win in 3 half-moves
3 Kb4 win in 5 half-moves
4 Kc7 win in 5 half-moves
5 Rb8 win in 5 half-moves
6 Rc8 win in 5 half-moves
7 Ra8 win in 7 half-moves
8 Rd8 win in 7 half-moves
9 Kb3 draw
10 Kc3 draw
11 Kc6 draw
12 Kc8 draw
13 Kd3 draw
14 Kd8 draw
15 Re2 draw
16 Re7 draw
17 Kd4 loss in 2 half-moves
18 Kd5 loss in 2 half-moves
19 Kd6 loss in 2 half-moves
20 Ke6 loss in 2 half-moves
21 Ke7 loss in 2 half-moves
22 Re1 loss in 2 half-moves
23 Re3 loss in 2 half-moves
24 Re4 loss in 2 half-moves
25 Re5 loss in 2 half-moves
26 Re6 loss in 2 half-moves
27 Rf8 loss in 2 half-moves
28 Rg8 loss in 2 half-moves
29 Rh8 loss in 2 half-moves