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 Ka2 draw
3 Kb1 draw
4 Kb2 draw
5 Kg1 draw
6 Kg2 draw
7 Kh2 draw
8 Ra3 draw
9 Re3 draw
10 Rf3 draw
11 Rg1 draw
12 Rg2 draw
13 Rg4 draw
14 Rh3 draw
15 Rb3 loss in 2 half-moves
16 Rc3 loss in 2 half-moves
17 Rd3 loss in 2 half-moves
18 Rg5 loss in 2 half-moves
19 Rg6 loss in 2 half-moves
20 Rg7 loss in 2 half-moves