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 Kg4 draw
3 Kg5 draw
4 Kg6 draw
5 Kh4 draw
6 Kh6 draw
7 Rf3 draw
8 Rf8 draw
9 Rg4 draw
10 Rh4 draw
11 Rf5 loss in 4 half-moves
12 Ra4 loss in 2 half-moves
13 Rc4 loss in 2 half-moves
14 Rd4 loss in 2 half-moves
15 Re4 loss in 2 half-moves
16 Rf1 loss in 2 half-moves
17 Rf2 loss in 2 half-moves
18 Rf6 loss in 2 half-moves
19 Rf7 loss in 2 half-moves