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

EGTB: win in 2 half-moves

# move score
1 Rg8 win in 1 half-moves
2 K6a7 draw
3 K6b7 draw
4 K8a7 draw
5 K8b7 draw
6 Ka5 draw
7 Kb5 draw
8 Kb6 draw
9 Rb1 draw
10 Rb2 draw
11 Rb3 draw
12 Rb4 draw
13 Rc8 draw
14 Rd8 draw
15 Rf8 draw
16 Rb5 loss in 2 half-moves
17 Rb6 loss in 2 half-moves
18 Rb7 loss in 2 half-moves
19 Re8 loss in 2 half-moves
20 Rh8 loss in 2 half-moves