Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 Kc3 win in 3 half-moves
2 Kc4 win in 3 half-moves
3 Kc5 win in 3 half-moves
4 Rb1 win in 3 half-moves
5 Ka2 draw
6 Ka4 draw
7 Kb2 draw
8 Kb3 draw
9 Kb4 draw
10 Kd3 draw
11 Kd5 draw
12 Ra1 draw
13 Rc1 draw
14 Ke3 loss in 2 half-moves
15 Ke4 loss in 2 half-moves
16 Ke5 loss in 2 half-moves
17 Rd2 loss in 2 half-moves
18 Rd3 loss in 2 half-moves
19 Re1 loss in 2 half-moves
20 Rf1 loss in 2 half-moves
21 Rg1 loss in 2 half-moves
22 Rh1 loss in 2 half-moves