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

EGTB: win in 4 half-moves

# move score
1 Rb3 win in 3 half-moves
2 Rb4 win in 3 half-moves
3 Rb5 win in 3 half-moves
4 Rg1 win in 5 half-moves
5 Rh1 win in 5 half-moves
6 Kf3 draw
7 Kf4 draw
8 Kf5 draw
9 Kg3 draw
10 Kg5 draw
11 Kg7 draw
12 Kh3 draw
13 Kh4 draw
14 Kh5 draw
15 Kh7 draw
16 Kh8 draw
17 Ra1 draw
18 Rb2 draw
19 Rb6 draw
20 Kf7 loss in 2 half-moves
21 Kf8 loss in 2 half-moves
22 Rb7 loss in 2 half-moves
23 Rb8 loss in 2 half-moves
24 Rc1 loss in 2 half-moves
25 Rd1 loss in 2 half-moves
26 Re1 loss in 2 half-moves
27 Rf1 loss in 2 half-moves