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

EGTB: win in 4 half-moves

# move score
1 Ra8 win in 3 half-moves
2 Rb8 win in 3 half-moves
3 Ka1 draw
4 Ka2 draw
5 Ka3 draw
6 Ka5 draw
7 Kb2 draw
8 Kb3 draw
9 Kb4 draw
10 Kc1 draw
11 Kc2 draw
12 Rc8 draw
13 Rd1 draw
14 Rd2 draw
15 Rd6 draw
16 Rd7 draw
17 Re8 draw
18 Kb5 loss in 2 half-moves
19 Rd3 loss in 2 half-moves
20 Rd4 loss in 2 half-moves
21 Rd5 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