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

EGTB: win in 2 half-moves

# move score
1 Rb3 win in 1 half-moves
2 Rb4 win in 1 half-moves
3 Ra1 loss in 2 half-moves
4 Ra5 loss in 2 half-moves
5 Ra6 loss in 2 half-moves
6 Ra7 loss in 2 half-moves
7 Ra8 loss in 2 half-moves
8 Rc3 loss in 2 half-moves
9 Rc4 loss in 2 half-moves
10 Rd3 loss in 2 half-moves
11 Rd4 loss in 2 half-moves
12 Re3 loss in 2 half-moves
13 Re4 loss in 2 half-moves
14 Rf3 loss in 2 half-moves
15 Rf4 loss in 2 half-moves
16 Rg3 loss in 2 half-moves
17 Rg4 loss in 2 half-moves
18 Rh3 loss in 2 half-moves
19 Rh4 loss in 2 half-moves
20 Ra2 loss in 1 half-moves