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

EGTB: win in 4 half-moves

# move score
1 Kc5 win in 3 half-moves
2 Ke6 win in 3 half-moves
3 Kd5 win in 5 half-moves
4 Ke7 win in 5 half-moves
5 Kf6 win in 5 half-moves
6 Rb7 win in 9 half-moves
7 Rc8 win in 15 half-moves
8 Kb3 draw
9 Kb4 draw
10 Kb5 draw
11 Kc3 draw
12 Kd3 draw
13 Kd4 draw
14 Ke8 draw
15 Kf8 draw
16 Kg6 draw
17 Kg7 draw
18 Kg8 draw
19 Ra8 draw
20 Rb1 draw
21 Rb4 draw
22 Rb5 draw
23 Rb6 draw
24 Rd8 draw
25 Re8 draw
26 Rf8 draw
27 Rb2 loss in 2 half-moves
28 Rb3 loss in 2 half-moves
29 Rg8 loss in 2 half-moves
30 Rh8 loss in 2 half-moves