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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Re1 draw
3 Re2 draw
4 Re3 draw
5 Kf7 loss in 2 half-moves
6 Kf8 loss in 2 half-moves
7 Kg5 loss in 2 half-moves
8 Kg6 loss in 2 half-moves
9 Kgg7 loss in 2 half-moves
10 Kgh7 loss in 2 half-moves
11 Kh5 loss in 2 half-moves
12 Kh8 loss in 2 half-moves
13 Khg7 loss in 2 half-moves
14 Khh7 loss in 2 half-moves
15 Ra8 loss in 2 half-moves
16 Rc8 loss in 2 half-moves
17 Rd8 loss in 2 half-moves
18 Re4 loss in 2 half-moves
19 Re5 loss in 2 half-moves
20 Re6 loss in 2 half-moves
21 Re7 loss in 2 half-moves
22 Rf8 loss in 2 half-moves