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

EGTB: win in 4 half-moves

# move score
1 Re4 win in 3 half-moves
2 Rc4 loss in 4 half-moves
3 Rd4 loss in 4 half-moves
4 Nb5 loss in 2 half-moves
5 Nc6 loss in 2 half-moves
6 Nc8 loss in 2 half-moves
7 Ra4 loss in 2 half-moves
8 Rf4 loss in 2 half-moves
9 Rg5 loss in 2 half-moves
10 Rg6 loss in 2 half-moves
11 Rg8 loss in 2 half-moves
12 Rh4 loss in 2 half-moves
13 g3 loss in 1 half-moves
14 Rb4 loss in 1 half-moves
15 Rg3 loss in 1 half-moves
16 Rg7 loss in 1 half-moves