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 Ka4 draw
3 Ka6 draw
4 Kb4 draw
5 Kb5 draw
6 Kb6 draw
7 Kc6 draw
8 Kc8 draw
9 Kd6 draw
10 Kd8 draw
11 Ke8 draw
12 Ra1 draw
13 Ra2 draw
14 Rb3 draw
15 Rc3 draw
16 Rd3 draw
17 Re3 draw
18 Ke6 loss in 2 half-moves
19 Ke7 loss in 2 half-moves
20 Ra4 loss in 2 half-moves
21 Rf3 loss in 2 half-moves
22 Rg3 loss in 2 half-moves
23 Rh3 loss in 2 half-moves