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