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

EGTB: win in 10 half-moves

# move score
1 Kbb7 win in 9 half-moves
2 Ka6 draw
3 Kaa8 draw
4 Kab7 draw
5 Kba8 draw
6 Kc7 draw
7 Kc8 draw
8 Rf8 draw
9 Rg1 draw
10 Rg6 draw
11 Rg7 draw
12 Rh8 draw
13 Kb6 loss in 2 half-moves
14 Rc8 loss in 2 half-moves
15 Rd8 loss in 2 half-moves
16 Re8 loss in 2 half-moves
17 Rg2 loss in 2 half-moves
18 Rg3 loss in 2 half-moves
19 Rg4 loss in 2 half-moves
20 Rg5 loss in 2 half-moves