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

EGTB: win in 4 half-moves

# move score
1 Rb5 win in 3 half-moves
2 Rb6 win in 3 half-moves
3 Rb8 win in 3 half-moves
4 Rh1 win in 13 half-moves
5 K6f7 draw
6 K6g7 draw
7 K6h7 draw
8 K8f7 draw
9 K8g7 draw
10 K8h7 draw
11 Kf6 draw
12 Kf8 draw
13 Kh5 draw
14 Kh6 draw
15 Kh8 draw
16 Ra1 draw
17 Rb7 draw
18 Rc1 draw
19 Rg1 draw
20 Kf5 loss in 2 half-moves
21 Kg5 loss in 2 half-moves
22 Rb2 loss in 2 half-moves
23 Rb3 loss in 2 half-moves
24 Rb4 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