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

EGTB: win in 4 half-moves

# move score
1 Rd2 win in 3 half-moves
2 Ra8 win in 5 half-moves
3 Rc8 win in 5 half-moves
4 Ka2 draw
5 Ka3 draw
6 Ka4 draw
7 Ka5 draw
8 Ka6 draw
9 Ka7 draw
10 Kb2 draw
11 Kb4 draw
12 Kb5 draw
13 Kb7 draw
14 Kc2 draw
15 Kc3 draw
16 Kc7 draw
17 Rb8 draw
18 Rd1 draw
19 Rd3 draw
20 Rd7 draw
21 Rh8 draw
22 Kc4 loss in 2 half-moves
23 Kc5 loss in 2 half-moves
24 Kc6 loss in 2 half-moves
25 Rd4 loss in 2 half-moves
26 Rd5 loss in 2 half-moves
27 Rd6 loss in 2 half-moves
28 Re8 loss in 2 half-moves
29 Rf8 loss in 2 half-moves
30 Rg8 loss in 2 half-moves