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

EGTB: win in 2 half-moves

# move score
1 Rf4 win in 1 half-moves
2 Kg6 draw
3 Kg7 draw
4 Kg8 draw
5 Kh6 draw
6 Ra4 draw
7 Rb3 draw
8 Rb5 draw
9 Rb7 draw
10 Rb8 draw
11 Rc4 draw
12 Rd4 draw
13 Kh8 loss in 6 half-moves
14 Rb1 loss in 2 half-moves
15 Rb2 loss in 2 half-moves
16 Rb6 loss in 2 half-moves
17 Re4 loss in 2 half-moves
18 Rg4 loss in 2 half-moves
19 Rh4 loss in 2 half-moves