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 Rb4 win in 3 half-moves
3 Rb5 win in 3 half-moves
4 K4b4 draw
5 K4b5 draw
6 K5b4 draw
7 K5b5 draw
8 Ka3 draw
9 Ka6 draw
10 Kb3 draw
11 Kb6 draw
12 Ra1 draw
13 Rb2 draw
14 Rb6 draw
15 Rc1 draw
16 Rg1 draw
17 Rb7 loss in 2 half-moves
18 Rb8 loss in 2 half-moves
19 Rd1 loss in 2 half-moves
20 Re1 loss in 2 half-moves
21 Rf1 loss in 2 half-moves
22 Rh1 loss in 2 half-moves