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

EGTB: win in 2 half-moves

# move score
1 Rb7 win in 1 half-moves
2 Kh6 draw
3 Rg1 draw
4 Rg2 draw
5 Rg3 draw
6 Rg8 draw
7 Ke7 loss in 2 half-moves
8 Ke8 loss in 2 half-moves
9 Kf7 loss in 2 half-moves
10 Kfg8 loss in 2 half-moves
11 Kg6 loss in 2 half-moves
12 Kh8 loss in 2 half-moves
13 Khg8 loss in 2 half-moves
14 Ra7 loss in 2 half-moves
15 Rc7 loss in 2 half-moves
16 Rd7 loss in 2 half-moves
17 Re7 loss in 2 half-moves
18 Rf7 loss in 2 half-moves
19 Rg4 loss in 2 half-moves
20 Rg5 loss in 2 half-moves
21 Rg6 loss in 2 half-moves