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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Rg4 win in 1 half-moves
3 Rg5 win in 1 half-moves
4 Rg6 win in 1 half-moves
5 Ka4 draw
6 Ka6 draw
7 Kb4 draw
8 Kb5 draw
9 Kb6 draw
10 Ra8 draw
11 Rc8 draw
12 Rd8 draw
13 Re8 draw
14 Rf8 draw
15 Rg1 draw
16 Rg2 draw
17 Rg3 draw
18 Rg7 draw
19 Kg2 loss in 2 half-moves
20 Kh2 loss in 2 half-moves
21 Kg1 loss in 1 half-moves
22 Rh8 loss in 1 half-moves