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 Ka1 draw
3 Kb1 draw
4 Kb2 draw
5 Kb3 draw
6 Kc8 draw
7 Kd7 draw
8 Ra4 draw
9 Ra8 draw
10 Rb3 draw
11 Rc3 draw
12 Rd3 draw
13 Re3 draw
14 Rf3 draw
15 Ke7 loss in 2 half-moves
16 Ke8 loss in 2 half-moves
17 Ra5 loss in 2 half-moves
18 Ra6 loss in 2 half-moves
19 Ra7 loss in 2 half-moves
20 Rg3 loss in 2 half-moves
21 Rh3 loss in 2 half-moves