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 Rc1 win in 3 half-moves
4 Kd2 win in 7 half-moves
5 Kde2 win in 7 half-moves
6 Ke1 draw
7 Ke3 draw
8 Kf2 draw
9 Kfe2 draw
10 Kg2 draw
11 Kg3 draw
12 Ra1 draw
13 Rb2 draw
14 Rb3 draw
15 Rb4 draw
16 Rb8 draw
17 Ke4 loss in 2 half-moves
18 Kf4 loss in 2 half-moves
19 Kg4 loss in 2 half-moves
20 Rb5 loss in 2 half-moves
21 Rb6 loss in 2 half-moves
22 Rb7 loss in 2 half-moves