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

EGTB: win in 14 half-moves

# move score
1 Rb8 win in 13 half-moves
2 K4b5 draw
3 K4c5 draw
4 K4d5 draw
5 K6b5 draw
6 K6c5 draw
7 K6d5 draw
8 Kb3 draw
9 Kb4 draw
10 Kb6 draw
11 Kb7 draw
12 Kc3 draw
13 Kc7 draw
14 Kd3 draw
15 Kd7 draw
16 Rd8 draw
17 Re8 draw
18 Kd4 loss in 2 half-moves
19 Kd6 loss in 2 half-moves
20 Ra8 loss in 2 half-moves
21 Rc7 loss in 2 half-moves
22 Rf8 loss in 2 half-moves
23 Rg8 loss in 2 half-moves
24 Rh8 loss in 2 half-moves