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

EGTB: win in 4 half-moves

# move score
1 Rb6 win in 3 half-moves
2 Rb7 win in 3 half-moves
3 Ka2 draw
4 Ka4 draw
5 Ka5 draw
6 Ka7 draw
7 Kb2 draw
8 Kb3 draw
9 Kb4 draw
10 Kb5 draw
11 Kb6 draw
12 Kb7 draw
13 Ra1 draw
14 Rb5 draw
15 Rb8 draw
16 Rc1 draw
17 Rd1 draw
18 Re1 draw
19 Rg1 draw
20 Rh1 draw
21 Rb2 loss in 2 half-moves
22 Rb3 loss in 2 half-moves
23 Rb4 loss in 2 half-moves
24 Rf1 loss in 2 half-moves