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

EGTB: win in 4 half-moves

# move score
1 Rf1 win in 3 half-moves
2 Rg1 win in 3 half-moves
3 Re1 loss in 4 half-moves
4 Nf2 loss in 2 half-moves
5 Ng3 loss in 2 half-moves
6 Ra2 loss in 2 half-moves
7 Ra3 loss in 2 half-moves
8 Ra6 loss in 2 half-moves
9 Ra7 loss in 2 half-moves
10 Ra8 loss in 2 half-moves
11 Rc1 loss in 2 half-moves
12 Rd1 loss in 2 half-moves
13 Ra4 loss in 1 half-moves
14 Ra5 loss in 1 half-moves
15 Rb1 loss in 1 half-moves