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