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

EGTB: win in 4 half-moves

# move score
1 Kc2 win in 3 half-moves
2 Rb1 draw
3 Kc3 loss in 2 half-moves
4 Kc4 loss in 2 half-moves
5 Kd2 loss in 2 half-moves
6 Kd4 loss in 2 half-moves
7 Ke2 loss in 2 half-moves
8 Ke3 loss in 2 half-moves
9 Ke4 loss in 2 half-moves
10 Kg2 loss in 2 half-moves
11 Kg3 loss in 2 half-moves
12 Kg4 loss in 2 half-moves
13 Kh2 loss in 2 half-moves
14 Kh4 loss in 2 half-moves
15 Ra1 loss in 2 half-moves
16 Rc1 loss in 2 half-moves
17 Rd2 loss in 2 half-moves
18 Re1 loss in 2 half-moves
19 Rf1 loss in 2 half-moves
20 Rg1 loss in 2 half-moves
21 Rh1 loss in 2 half-moves