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 Kg2 loss in 8 half-moves
3 Kg3 loss in 8 half-moves
4 Kg4 loss in 6 half-moves
5 Kh2 loss in 4 half-moves
6 Re4 loss in 4 half-moves
7 Rf4 loss in 4 half-moves
8 Rg4 loss in 4 half-moves
9 Rh8 loss in 4 half-moves
10 Rb4 loss in 2 half-moves
11 Rc4 loss in 2 half-moves
12 Rd4 loss in 2 half-moves
13 Rh5 loss in 2 half-moves
14 Rh6 loss in 2 half-moves
15 Rh7 loss in 2 half-moves