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

EGTB: win in 4 half-moves

# move score
1 Rb8 win in 3 half-moves
2 Re1 win in 3 half-moves
3 Re2 win in 3 half-moves
4 Re5 win in 3 half-moves
5 Rg1 win in 3 half-moves
6 Rg2 win in 3 half-moves
7 Rg5 win in 3 half-moves
8 Ref8 loss in 4 half-moves
9 Rgf8 loss in 4 half-moves
10 Rh8 loss in 4 half-moves
11 Ra8 loss in 2 half-moves
12 Rc8 loss in 2 half-moves
13 Rd8 loss in 2 half-moves
14 Re3 loss in 2 half-moves
15 Re4 loss in 2 half-moves
16 Re6 loss in 2 half-moves
17 Re7 loss in 2 half-moves
18 Rg3 loss in 2 half-moves
19 Rg4 loss in 2 half-moves
20 Rg6 loss in 2 half-moves
21 Rg7 loss in 2 half-moves