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