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 Ra1 loss in 2 half-moves
3 Rc1 loss in 2 half-moves
4 Rd1 loss in 2 half-moves
5 Re3 loss in 2 half-moves
6 Re4 loss in 2 half-moves
7 Re5 loss in 2 half-moves
8 Re6 loss in 2 half-moves
9 Re7 loss in 2 half-moves
10 Re8 loss in 2 half-moves
11 Ke2 loss in 1 half-moves
12 Kf2 loss in 1 half-moves
13 Kg1 loss in 1 half-moves
14 Kg2 loss in 1 half-moves
15 Re2 loss in 1 half-moves