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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 K2a3 draw
3 K2b3 draw
4 K2c3 draw
5 K4a3 draw
6 K4b3 draw
7 K4c3 draw
8 Ka1 draw
9 Ka2 draw
10 Ka4 draw
11 Ka5 draw
12 Kb1 draw
13 Kc1 draw
14 Kc2 draw
15 Kc4 draw
16 Kc5 draw
17 Rb5 draw
18 Rb6 draw
19 Rc7 draw
20 Rd7 draw
21 Rg7 draw
22 Ra7 loss in 2 half-moves
23 Re7 loss in 2 half-moves
24 Rf7 loss in 2 half-moves
25 Rh7 loss in 2 half-moves
26 Kb5 loss in 1 half-moves