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 Kb4 win in 5 half-moves
3 K5b5 draw
4 K5b6 draw
5 K6b5 draw
6 K6b6 draw
7 Ka4 draw
8 Ka7 draw
9 Kb7 draw
10 Ra8 draw
11 Rc8 draw
12 Rd3 draw
13 Re8 draw
14 Rf8 draw
15 Rd1 loss in 2 half-moves
16 Rd2 loss in 2 half-moves
17 Rd4 loss in 2 half-moves
18 Rd5 loss in 2 half-moves
19 Rd6 loss in 2 half-moves
20 Rd7 loss in 2 half-moves
21 Rg8 loss in 2 half-moves
22 Rh8 loss in 2 half-moves