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

EGTB: win in 4 half-moves

# move score
1 Rb4 win in 3 half-moves
2 Rb5 win in 3 half-moves
3 Kg4 draw
4 Kh4 draw
5 Ra1 draw
6 Rb2 draw
7 Rb3 draw
8 Rc1 draw
9 Rd1 draw
10 Re1 draw
11 Rf1 draw
12 Rh1 draw
13 Kg5 loss in 2 half-moves
14 Kg6 loss in 2 half-moves
15 Kh6 loss in 2 half-moves
16 Rb6 loss in 2 half-moves
17 Rb7 loss in 2 half-moves
18 Rb8 loss in 2 half-moves
19 Rg1 loss in 2 half-moves