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

EGTB: win in 4 half-moves

# move score
1 Kc1 win in 3 half-moves
2 Kc2 win in 3 half-moves
3 Rc3 win in 3 half-moves
4 Kf3 win in 5 half-moves
5 Rb1 win in 5 half-moves
6 Rb2 win in 5 half-moves
7 Kd2 draw
8 Kde1 draw
9 Kde2 draw
10 Kfe1 draw
11 Kfe2 draw
12 Ra3 draw
13 Rb5 draw
14 Re3 draw
15 Rg3 draw
16 Rh3 draw
17 Kf1 loss in 2 half-moves
18 Kg1 loss in 2 half-moves
19 Kg2 loss in 2 half-moves
20 Kg3 loss in 2 half-moves
21 Rb4 loss in 2 half-moves
22 Rb6 loss in 2 half-moves
23 Rb7 loss in 2 half-moves
24 Rb8 loss in 2 half-moves
25 Rd3 loss in 2 half-moves
26 Rf3 loss in 2 half-moves
27 Ke3 loss in 1 half-moves