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

EGTB: win in 4 half-moves

# move score
1 Rb1 win in 3 half-moves
2 Rd1 draw
3 Re8 draw
4 c4 loss in 2 half-moves
5 Ra1 loss in 2 half-moves
6 Rc1 loss in 2 half-moves
7 Re2 loss in 2 half-moves
8 Re3 loss in 2 half-moves
9 Re4 loss in 2 half-moves
10 Re5 loss in 2 half-moves
11 Re6 loss in 2 half-moves
12 Re7 loss in 2 half-moves
13 Rf1 loss in 2 half-moves
14 Rg1 loss in 2 half-moves
15 Rh1 loss in 2 half-moves