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

EGTB: win in 2 half-moves

# move score
1 Rb1 win in 1 half-moves
2 Re8 win in 1 half-moves
3 Rg8 win in 1 half-moves
4 Ra1 loss in 2 half-moves
5 Re2 loss in 2 half-moves
6 Re3 loss in 2 half-moves
7 Re4 loss in 2 half-moves
8 Re5 loss in 2 half-moves
9 Re6 loss in 2 half-moves
10 Re7 loss in 2 half-moves
11 Ref1 loss in 2 half-moves
12 Rg2 loss in 2 half-moves
13 Rg3 loss in 2 half-moves
14 Rg4 loss in 2 half-moves
15 Rg5 loss in 2 half-moves
16 Rg6 loss in 2 half-moves
17 Rg7 loss in 2 half-moves
18 Rgf1 loss in 2 half-moves
19 Rh1 loss in 2 half-moves
20 Rc1 loss in 1 half-moves
21 Rd1 loss in 1 half-moves