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 Kf5 draw
3 Kg4 draw
4 Kg6 draw
5 Kh4 draw
6 Kh5 draw
7 Kh6 draw
8 Rf1 draw
9 Rf2 draw
10 Rf3 draw
11 Rf5 draw
12 Rf6 draw
13 Rg4 draw
14 Rh4 draw
15 Kf6 loss in 2 half-moves
16 Ra4 loss in 2 half-moves
17 Rc4 loss in 2 half-moves
18 Rd4 loss in 2 half-moves
19 Re4 loss in 2 half-moves
20 Rf7 loss in 2 half-moves
21 Rf8 loss in 2 half-moves