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

EGTB: win in 2 half-moves

# move score
1 R3b4 win in 1 half-moves
2 R3b5 win in 1 half-moves
3 R3b6 win in 1 half-moves
4 R3b7 win in 1 half-moves
5 Rb1 win in 1 half-moves
6 Rb2 win in 1 half-moves
7 d2 loss in 1 half-moves
8 R8b4 loss in 1 half-moves
9 R8b5 loss in 1 half-moves
10 R8b6 loss in 1 half-moves
11 R8b7 loss in 1 half-moves
12 Ra3 loss in 1 half-moves
13 Ra8 loss in 1 half-moves
14 Rc3 loss in 1 half-moves
15 Rc8 loss in 1 half-moves
16 Rd8 loss in 1 half-moves
17 Re8 loss in 1 half-moves
18 Rf8 loss in 1 half-moves
19 Rg8 loss in 1 half-moves
20 Rh8 loss in 1 half-moves