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 Kg4 draw
3 Kg5 draw
4 Kh4 draw
5 Rb5 draw
6 Re4 draw
7 Rg4 draw
8 Rh4 draw
9 Kg6 loss in 4 half-moves
10 Kh6 loss in 4 half-moves
11 Rb2 loss in 4 half-moves
12 Rb3 loss in 4 half-moves
13 Ra4 loss in 2 half-moves
14 Rc4 loss in 2 half-moves
15 Rd4 loss in 2 half-moves
16 Rb1 loss in 1 half-moves
17 Rb6 loss in 1 half-moves
18 Rb7 loss in 1 half-moves
19 Rb8 loss in 1 half-moves