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 Kc6 win in 3 half-moves
3 Kc7 win in 3 half-moves
4 Kd7 win in 3 half-moves
5 Kf7 win in 3 half-moves
6 Rc8 win in 3 half-moves
7 Kg5 win in 5 half-moves
8 Kg6 win in 5 half-moves
9 Kg7 win in 5 half-moves
10 Kd5 win in 7 half-moves
11 Rd8 win in 7 half-moves
12 Kde5 draw
13 Kde6 draw
14 Kde7 draw
15 Kf5 draw
16 Kfe5 draw
17 Kfe6 draw
18 Kfe7 draw
19 Ra8 draw
20 Rb3 draw
21 Rb4 draw
22 Rb5 draw
23 Rb6 draw
24 Rb7 draw
25 Re8 draw
26 Rf8 draw
27 Rb1 loss in 2 half-moves
28 Rb2 loss in 2 half-moves
29 Rg8 loss in 2 half-moves
30 Rh8 loss in 2 half-moves