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

EGTB: win in 4 half-moves

# move score
1 Ra2 win in 3 half-moves
2 Ra1 loss in 4 half-moves
3 Ra5 loss in 4 half-moves
4 Ra6 loss in 4 half-moves
5 Ra7 loss in 4 half-moves
6 Ra8 loss in 4 half-moves
7 Rb3 loss in 4 half-moves
8 Ba1 loss in 2 half-moves
9 Ba5 loss in 2 half-moves
10 Bb2 loss in 2 half-moves
11 Bb4 loss in 2 half-moves
12 Bd2 loss in 2 half-moves
13 Bd4 loss in 2 half-moves
14 Be1 loss in 2 half-moves
15 Be5 loss in 2 half-moves
16 Bf6 loss in 2 half-moves
17 Bg7 loss in 2 half-moves
18 Bh8 loss in 2 half-moves
19 Nd2 loss in 2 half-moves
20 Ra4 loss in 2 half-moves