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 Kc6 win in 1 half-moves
3 Rf1 win in 1 half-moves
4 Rg1 win in 1 half-moves
5 Rb4 draw
6 Ka4 loss in 2 half-moves
7 Ka5 loss in 2 half-moves
8 Kb4 loss in 2 half-moves
9 Kc4 loss in 2 half-moves
10 Kc5 loss in 2 half-moves
11 Ra1 loss in 2 half-moves
12 Rb2 loss in 2 half-moves
13 Rb3 loss in 2 half-moves
14 Rc1 loss in 2 half-moves
15 Rd1 loss in 2 half-moves
16 Rh1 loss in 2 half-moves
17 Kb6 loss in 1 half-moves
18 Re1 loss in 1 half-moves