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 Kd5 win in 3 half-moves
3 Kc5 win in 7 half-moves
4 Rd7 win in 9 half-moves
5 Kb4 win in 11 half-moves
6 Kf7 win in 11 half-moves
7 Ra8 win in 11 half-moves
8 Rb7 win in 11 half-moves
9 Rc7 win in 11 half-moves
10 Kb3 win in 15 half-moves
11 Kc3 draw
12 Ke7 draw
13 Ke8 draw
14 Kg7 draw
15 Kg8 draw
16 Ra3 draw
17 Ra4 draw
18 Ra5 draw
19 Ra6 draw
20 Re7 draw
21 Kd3 loss in 2 half-moves
22 Kd4 loss in 2 half-moves
23 Ra1 loss in 2 half-moves
24 Ra2 loss in 2 half-moves
25 Rf7 loss in 2 half-moves
26 Rg7 loss in 2 half-moves
27 Rh7 loss in 2 half-moves