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