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

EGTB: win in 4 half-moves

# move score
1 Ka6 win in 3 half-moves
2 Kc6 win in 3 half-moves
3 Rc6 win in 3 half-moves
4 Rd6 win in 3 half-moves
5 Kc7 win in 7 half-moves
6 Kc8 win in 7 half-moves
7 Rb7 win in 7 half-moves
8 Kc5 win in 9 half-moves
9 Ra6 win in 11 half-moves
10 Rb8 win in 13 half-moves
11 Ka4 draw
12 Ka5 draw
13 Kb4 draw
14 Kc4 draw
15 Kd7 draw
16 Ke7 draw
17 Ke8 draw
18 Re6 draw
19 Rf6 loss in 2 half-moves
20 Rg6 loss in 2 half-moves
21 Rh6 loss in 2 half-moves