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

EGTB: win in 48 half-moves

# move score
1 Rb7 win in 47 half-moves
2 Rb8 win in 49 half-moves
3 K8b7 win in 51 half-moves
4 Rb5 win in 51 half-moves
5 Rb6 win in 51 half-moves
6 K6a7 win in 53 half-moves
7 K6b7 win in 53 half-moves
8 Kb8 win in 53 half-moves
9 K8a7 win in 55 half-moves
10 Rh4 win in 55 half-moves
11 Ra4 win in 57 half-moves
12 Rc4 win in 57 half-moves
13 Ka5 draw
14 Kb5 draw
15 Kb6 draw
16 Rg4 draw
17 Rb1 loss in 2 half-moves
18 Rb2 loss in 2 half-moves
19 Rb3 loss in 2 half-moves
20 Rd4 loss in 2 half-moves
21 Re4 loss in 2 half-moves
22 Rf4 loss in 2 half-moves