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

EGTB: win in 2 half-moves

# move score
1 Rc4 win in 1 half-moves
2 Ra7 loss in 22 half-moves
3 Ra8 loss in 22 half-moves
4 Ra6 loss in 10 half-moves
5 Ra5 loss in 4 half-moves
6 Na6 loss in 2 half-moves
7 Nc6 loss in 2 half-moves
8 Nd7 loss in 2 half-moves
9 Ra1 loss in 2 half-moves
10 Ra2 loss in 2 half-moves
11 Ra3 loss in 2 half-moves
12 Rb4 loss in 2 half-moves
13 Rf4 loss in 2 half-moves
14 Rg4 loss in 2 half-moves
15 Rh4 loss in 2 half-moves
16 Rd4 loss in 1 half-moves
17 Re4 loss in 1 half-moves