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 Kf6 draw
3 Kf7 draw
4 Kf8 draw
5 Kg6 draw
6 Ra8 loss in 18 half-moves
7 Kh6 loss in 14 half-moves
8 Kh8 loss in 14 half-moves
9 Kg8 loss in 12 half-moves
10 Kh7 loss in 10 half-moves
11 Ra1 loss in 2 half-moves
12 Ra2 loss in 2 half-moves
13 Ra4 loss in 2 half-moves
14 Ra5 loss in 2 half-moves
15 Ra6 loss in 2 half-moves
16 Rc7 loss in 2 half-moves
17 Rd7 loss in 2 half-moves
18 Re7 loss in 2 half-moves
19 Rf7 loss in 2 half-moves
20 Ra3 loss in 1 half-moves