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

EGTB: win in 12 half-moves

# move score
1 Rb8 win in 11 half-moves
2 Ka3 draw
3 Kaa1 draw
4 Kab2 draw
5 Kb3 draw
6 Kba1 draw
7 Kbb2 draw
8 Ra8 draw
9 Rc8 draw
10 Rd4 draw
11 Rd5 draw
12 Rd6 draw
13 Rd7 draw
14 Rh8 draw
15 Kc1 loss in 2 half-moves
16 Kc2 loss in 2 half-moves
17 Rd1 loss in 2 half-moves
18 Rd2 loss in 2 half-moves
19 Rd3 loss in 2 half-moves
20 Re8 loss in 2 half-moves
21 Rf8 loss in 2 half-moves
22 Rg8 loss in 2 half-moves