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 Ra3 draw
3 Rc1 draw
4 d8=B loss in 2 half-moves
5 d8=K loss in 2 half-moves
6 d8=N loss in 2 half-moves
7 d8=Q loss in 2 half-moves
8 d8=R loss in 2 half-moves
9 Nc2 loss in 2 half-moves
10 Nd3 loss in 2 half-moves
11 Nf3 loss in 2 half-moves
12 Ng2 loss in 2 half-moves
13 Ra2 loss in 2 half-moves
14 Ra4 loss in 2 half-moves
15 Ra5 loss in 2 half-moves
16 Ra6 loss in 2 half-moves
17 Ra7 loss in 2 half-moves
18 Ra8 loss in 2 half-moves
19 Rd1 loss in 2 half-moves