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

EGTB: win in 4 half-moves

# move score
1 Rb3 win in 3 half-moves
2 Kaa1 draw
3 Kaa3 draw
4 Kab1 draw
5 Kab3 draw
6 Kba1 draw
7 Kba3 draw
8 Kbb1 draw
9 Kbb3 draw
10 Kc1 draw
11 Kc2 draw
12 Kc3 draw
13 Ra6 draw
14 Rb4 draw
15 Rb5 draw
16 Rc6 draw
17 Rd6 draw
18 Re6 draw
19 Rb7 loss in 2 half-moves
20 Rb8 loss in 2 half-moves
21 Rf6 loss in 2 half-moves
22 Rg6 loss in 2 half-moves
23 Rh6 loss in 2 half-moves