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 Kd1 draw
3 Kd2 draw
4 Kee2 draw
5 Kef1 draw
6 Kfe2 draw
7 Kff1 draw
8 Kg1 draw
9 Kg2 draw
10 Kg3 draw
11 Ra8 draw
12 Rb1 draw
13 Rb2 draw
14 Rb3 draw
15 Rb7 draw
16 Rf8 draw
17 Rh8 draw
18 Ke3 loss in 2 half-moves
19 Kf3 loss in 2 half-moves
20 Rb4 loss in 2 half-moves
21 Rb5 loss in 2 half-moves
22 Rb6 loss in 2 half-moves
23 Rc8 loss in 2 half-moves
24 Rd8 loss in 2 half-moves
25 Re8 loss in 2 half-moves