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

EGTB: win in 2 half-moves

# move score
1 Ka6 win in 1 half-moves
2 Kc4 win in 1 half-moves
3 Kc5 win in 1 half-moves
4 Kc6 win in 1 half-moves
5 Rc4 draw
6 Ka4 loss in 2 half-moves
7 Ka5 loss in 2 half-moves
8 Ra4 loss in 2 half-moves
9 Rb1 loss in 2 half-moves
10 Rb2 loss in 2 half-moves
11 Rb3 loss in 2 half-moves
12 Rd4 loss in 2 half-moves
13 Re4 loss in 2 half-moves
14 Rf4 loss in 2 half-moves
15 Rg4 loss in 2 half-moves
16 Rh4 loss in 2 half-moves
17 Kb6 loss in 1 half-moves