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 K1a1 draw
3 K1a2 draw
4 K1c1 draw
5 K1c2 draw
6 K2a1 draw
7 K2a2 draw
8 K2c1 draw
9 K2c2 draw
10 Ka3 draw
11 Kb3 draw
12 Kc3 draw
13 Ra6 draw
14 Rb4 draw
15 Rb5 draw
16 Rc6 draw
17 Rd6 draw
18 Rh6 draw
19 Rb7 loss in 2 half-moves
20 Rb8 loss in 2 half-moves
21 Re6 loss in 2 half-moves
22 Rf6 loss in 2 half-moves
23 Rg6 loss in 2 half-moves