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

EGTB: win in 6 half-moves

# move score
1 Rb3 win in 5 half-moves
2 Kb4 win in 7 half-moves
3 Kd3 win in 7 half-moves
4 Re1 win in 7 half-moves
5 Kd4 win in 11 half-moves
6 Kd5 draw
7 Ke3 draw
8 Ke5 draw
9 Kf3 draw
10 Kf4 draw
11 Kf5 draw
12 Rb2 draw
13 Rg1 draw
14 Rb4 loss in 4 half-moves
15 Ka4 loss in 2 half-moves
16 Ka5 loss in 2 half-moves
17 Ka6 loss in 2 half-moves
18 Kb6 loss in 2 half-moves
19 Kc4 loss in 2 half-moves
20 Kc5 loss in 2 half-moves
21 Kc6 loss in 2 half-moves
22 Ra1 loss in 2 half-moves
23 Rc1 loss in 2 half-moves
24 Rd1 loss in 2 half-moves
25 Rf1 loss in 2 half-moves
26 Rh1 loss in 2 half-moves