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 K4b4 draw
3 K4b5 draw
4 K5b4 draw
5 K5b5 draw
6 Ka3 draw
7 Ka6 draw
8 Kb6 draw
9 Ra8 draw
10 Rc8 draw
11 Rg1 draw
12 Rg2 draw
13 Rg6 draw
14 Rg7 draw
15 Rh8 draw
16 Kb3 loss in 2 half-moves
17 Rd8 loss in 2 half-moves
18 Re8 loss in 2 half-moves
19 Rf8 loss in 2 half-moves
20 Rg3 loss in 2 half-moves
21 Rg4 loss in 2 half-moves
22 Rg5 loss in 2 half-moves