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

EGTB: win in 4 half-moves

# move score
1 Kc7 win in 3 half-moves
2 Ra2 win in 5 half-moves
3 Ka2 draw
4 Ka4 draw
5 Kb2 draw
6 Kb3 draw
7 Kb4 draw
8 Kc6 draw
9 Kc8 draw
10 Kd6 draw
11 Kd8 draw
12 Ke6 draw
13 Ke7 draw
14 Ke8 draw
15 Rb1 draw
16 Rc1 draw
17 Rd1 draw
18 Re1 draw
19 Rf1 draw
20 Rg1 loss in 2 half-moves
21 Rh1 loss in 2 half-moves