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

EGTB: win in 6 half-moves

# move score
1 Rh4 win in 5 half-moves
2 Ra4 draw
3 Rb2 draw
4 Rb7 draw
5 Kg5 loss in 2 half-moves
6 Kg6 loss in 2 half-moves
7 Kg7 loss in 2 half-moves
8 Kh5 loss in 2 half-moves
9 Kh7 loss in 2 half-moves
10 Rb1 loss in 2 half-moves
11 Rb3 loss in 2 half-moves
12 Rb5 loss in 2 half-moves
13 Rb6 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 Rf4 loss in 2 half-moves
19 Rg4 loss in 2 half-moves