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

EGTB: win in 4 half-moves

# move score
1 Rb4 win in 3 half-moves
2 Ka1 draw
3 Ka4 draw
4 Kaa2 draw
5 Kab2 draw
6 Kb3 draw
7 Kb4 draw
8 Kba2 draw
9 Kbb2 draw
10 Kc1 draw
11 Kc2 draw
12 Ra6 draw
13 Rb3 draw
14 Rb5 draw
15 Rb7 draw
16 Rb8 draw
17 Rc6 draw
18 Rd6 draw
19 Re6 draw
20 Rg6 draw
21 Rh6 draw
22 Rb2 loss in 2 half-moves
23 Rf6 loss in 2 half-moves