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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Kg3 loss in 2 half-moves
3 Kg4 loss in 2 half-moves
4 Kg5 loss in 2 half-moves
5 Kh3 loss in 2 half-moves
6 Kh5 loss in 2 half-moves
7 Ra4 loss in 2 half-moves
8 Rf2 loss in 2 half-moves
9 Rf3 loss in 2 half-moves
10 Rf5 loss in 2 half-moves
11 Rf6 loss in 2 half-moves
12 Rf7 loss in 2 half-moves
13 Rf8 loss in 2 half-moves
14 Rg4 loss in 2 half-moves
15 Rc4 loss in 1 half-moves
16 Rd4 loss in 1 half-moves
17 Re4 loss in 1 half-moves
18 Rf1 loss in 1 half-moves