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

EGTB: win in 2 half-moves

# move score
1 Rb2 win in 1 half-moves
2 Rb3 win in 1 half-moves
3 Rb4 win in 1 half-moves
4 Rf6 win in 1 half-moves
5 Rg6 draw
6 Kg4 loss in 2 half-moves
7 Kg5 loss in 2 half-moves
8 Kh4 loss in 2 half-moves
9 Ra6 loss in 2 half-moves
10 Rb1 loss in 2 half-moves
11 Rb5 loss in 2 half-moves
12 Rb7 loss in 2 half-moves
13 Rb8 loss in 2 half-moves
14 Rc6 loss in 2 half-moves
15 Rd6 loss in 2 half-moves
16 Re6 loss in 2 half-moves
17 Kg6 loss in 1 half-moves
18 Kh6 loss in 1 half-moves
19 Rh6 loss in 1 half-moves