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 Rf4 win in 1 half-moves
3 Ra7 loss in 4 half-moves
4 Na5 loss in 2 half-moves
5 Nc5 loss in 2 half-moves
6 Nd6 loss in 2 half-moves
7 Nd8 loss in 2 half-moves
8 Ra1 loss in 2 half-moves
9 Ra2 loss in 2 half-moves
10 Ra3 loss in 2 half-moves
11 Ra5 loss in 2 half-moves
12 Ra6 loss in 2 half-moves
13 Ra8 loss in 2 half-moves
14 Rb4 loss in 2 half-moves
15 Rd4 loss in 2 half-moves
16 Re4 loss in 2 half-moves
17 Rh4 loss in 2 half-moves
18 Rg4 loss in 1 half-moves