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

EGTB: win in 2 half-moves

# move score
1 Ra4 win in 1 half-moves
2 Rc4 loss in 4 half-moves
3 Nb6 loss in 2 half-moves
4 Nc7 loss in 2 half-moves
5 Rd4 loss in 2 half-moves
6 Re1 loss in 2 half-moves
7 Re2 loss in 2 half-moves
8 Re5 loss in 2 half-moves
9 Re6 loss in 2 half-moves
10 Re7 loss in 2 half-moves
11 Re8 loss in 2 half-moves
12 Rf4 loss in 2 half-moves
13 Rg4 loss in 2 half-moves
14 Rh4 loss in 2 half-moves
15 Rb4 loss in 1 half-moves
16 Re3 loss in 1 half-moves