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