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

EGTB: win in 4 half-moves

# move score
1 Rb8 win in 3 half-moves
2 K4a5 draw
3 K4b5 draw
4 K6a5 draw
5 K6b5 draw
6 Ka3 draw
7 Ka7 draw
8 Kb3 draw
9 Kb4 draw
10 Kb6 draw
11 Kb7 draw
12 Ra8 draw
13 Rc8 draw
14 Rd1 draw
15 Rd5 draw
16 Rd6 draw
17 Rd7 draw
18 Rh8 draw
19 Rd2 loss in 2 half-moves
20 Rd3 loss in 2 half-moves
21 Rd4 loss in 2 half-moves
22 Re8 loss in 2 half-moves
23 Rf8 loss in 2 half-moves
24 Rg8 loss in 2 half-moves