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

EGTB: win in 6 half-moves

# move score
1 Rb8 win in 5 half-moves
2 Kb1 draw
3 Kb2 draw
4 Kcc2 draw
5 Kcd2 draw
6 Kdc2 draw
7 Kdd2 draw
8 Ke1 draw
9 Ke2 draw
10 Ra8 draw
11 Rc8 draw
12 Rg1 draw
13 Rg2 draw
14 Rg3 draw
15 Rg7 draw
16 Rh8 draw
17 Rd8 loss in 2 half-moves
18 Re8 loss in 2 half-moves
19 Rf8 loss in 2 half-moves
20 Rg4 loss in 2 half-moves
21 Rg5 loss in 2 half-moves
22 Rg6 loss in 2 half-moves