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