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 Ke7 draw
9 Ke8 draw
10 Ra4 draw
11 Ra5 draw
12 Ra8 draw
13 Rb3 draw
14 Rc3 draw
15 Rd3 draw
16 Re3 draw
17 Rf3 draw
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