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 Rb7 win in 3 half-moves
3 Re7 win in 3 half-moves
4 Kc2 win in 5 half-moves
5 Kc6 win in 5 half-moves
6 Kd2 win in 5 half-moves
7 Kd6 win in 5 half-moves
8 Ra3 win in 5 half-moves
9 Ra5 win in 5 half-moves
10 Ra6 win in 5 half-moves
11 Kdc4 win in 11 half-moves
12 Ra2 win in 13 half-moves
13 Ra8 win in 13 half-moves
14 Kb2 draw
15 Kb3 draw
16 Kc5 draw
17 Kcc4 draw
18 Kcd4 draw
19 Kd3 draw
20 Kdd4 draw
21 Ra1 draw
22 Rc7 draw
23 Rd7 draw
24 Rf7 draw
25 Ke4 loss in 2 half-moves
26 Ke5 loss in 2 half-moves
27 Ke6 loss in 2 half-moves
28 Ra4 loss in 2 half-moves
29 Rg7 loss in 2 half-moves
30 Rh7 loss in 2 half-moves