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

EGTB: win in 2 half-moves

# move score
1 Ra1 win in 1 half-moves
2 Rc3 win in 1 half-moves
3 Rc8 win in 1 half-moves
4 Re1 win in 1 half-moves
5 Rb1 loss in 2 half-moves
6 Rc2 loss in 2 half-moves
7 Rc4 loss in 2 half-moves
8 Rc5 loss in 2 half-moves
9 Rc6 loss in 2 half-moves
10 Rc7 loss in 2 half-moves
11 Rd1 loss in 2 half-moves
12 Rf1 loss in 2 half-moves
13 Rg1 loss in 2 half-moves
14 Rh1 loss in 2 half-moves
15 a1=B loss in 1 half-moves
16 a1=K loss in 1 half-moves
17 a1=N loss in 1 half-moves
18 a1=Q loss in 1 half-moves
19 a1=R loss in 1 half-moves