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

EGTB: win in 6 half-moves

# move score
1 Rg8 win in 5 half-moves
2 Rh8 win in 17 half-moves
3 Kb5 draw
4 Kb6 draw
5 Kb7 draw
6 Kc5 draw
7 Kc7 draw
8 Kd5 draw
9 Kd6 draw
10 Kd7 draw
11 Kg4 draw
12 Kg5 draw
13 Kg6 draw
14 Kh4 draw
15 Kh6 draw
16 Rc7 draw
17 Rd8 draw
18 Re8 draw
19 Rf8 draw
20 Ra8 loss in 2 half-moves
21 Rb8 loss in 2 half-moves