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 Ke7 win in 3 half-moves
3 Re1 draw
4 Re2 draw
5 Re3 draw
6 Kf7 loss in 2 half-moves
7 Kfg7 loss in 2 half-moves
8 Kfg8 loss in 2 half-moves
9 Kg6 loss in 2 half-moves
10 Kh6 loss in 2 half-moves
11 Kh8 loss in 2 half-moves
12 Khg7 loss in 2 half-moves
13 Khg8 loss in 2 half-moves
14 Ra8 loss in 2 half-moves
15 Rc8 loss in 2 half-moves
16 Rd8 loss in 2 half-moves
17 Re4 loss in 2 half-moves
18 Re5 loss in 2 half-moves
19 Re6 loss in 2 half-moves
20 Re7 loss in 2 half-moves