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

EGTB: win in 4 half-moves

# move score
1 Rg8 win in 3 half-moves
2 Rh8 win in 5 half-moves
3 Ra8 draw
4 Rb1 draw
5 Rb2 draw
6 Rb3 draw
7 Rb7 draw
8 Re8 draw
9 Rf8 draw
10 Kg1 loss in 2 half-moves
11 Kg2 loss in 2 half-moves
12 Kg4 loss in 2 half-moves
13 Kg5 loss in 2 half-moves
14 Kg6 loss in 2 half-moves
15 Kh2 loss in 2 half-moves
16 Kh4 loss in 2 half-moves
17 Kh6 loss in 2 half-moves
18 Rb4 loss in 2 half-moves
19 Rb5 loss in 2 half-moves
20 Rb6 loss in 2 half-moves
21 Rc8 loss in 2 half-moves
22 Rd8 loss in 2 half-moves