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 Kb3 draw
3 Kb4 draw
4 Kb5 draw
5 Kc2 draw
6 Kd2 draw
7 Ke2 draw
8 Rb7 draw
9 Ka3 loss in 2 half-moves
10 Ka5 loss in 2 half-moves
11 Ke1 loss in 2 half-moves
12 Ra5 loss in 2 half-moves
13 Ra6 loss in 2 half-moves
14 Ra8 loss in 2 half-moves
15 Rc7 loss in 2 half-moves
16 Rd7 loss in 2 half-moves
17 Re7 loss in 2 half-moves
18 Rf7 loss in 2 half-moves
19 Rg7 loss in 2 half-moves
20 Rh7 loss in 2 half-moves