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

EGTB: win in 50 half-moves

# move score
1 Rb7 win in 49 half-moves
2 Rb8 win in 49 half-moves
3 Rb6 win in 51 half-moves
4 Rb5 win in 55 half-moves
5 Rb4 draw
6 Rc1 draw
7 Rd1 draw
8 Re1 draw
9 Kd7 loss in 2 half-moves
10 Kd8 loss in 2 half-moves
11 Kee7 loss in 2 half-moves
12 Kef7 loss in 2 half-moves
13 Kfe7 loss in 2 half-moves
14 Kff7 loss in 2 half-moves
15 Kg7 loss in 2 half-moves
16 Kg8 loss in 2 half-moves
17 Ra1 loss in 2 half-moves
18 Rb2 loss in 2 half-moves
19 Rb3 loss in 2 half-moves
20 Rf1 loss in 2 half-moves
21 Rg1 loss in 2 half-moves
22 Rh1 loss in 2 half-moves