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 Ka3 win in 7 half-moves
4 Kd4 win in 7 half-moves
5 Rb2 win in 7 half-moves
6 Rb5 win in 7 half-moves
7 Ka5 draw
8 Kab4 draw
9 Kab5 draw
10 Kb3 draw
11 Kb6 draw
12 Kc4 draw
13 Kcb4 draw
14 Kcb5 draw
15 Kd5 draw
16 Ra1 draw
17 Rb6 draw
18 Rc1 draw
19 Rg1 draw
20 Kc6 loss in 2 half-moves
21 Kd6 loss in 2 half-moves
22 Rb7 loss in 2 half-moves
23 Rb8 loss in 2 half-moves
24 Rd1 loss in 2 half-moves
25 Re1 loss in 2 half-moves
26 Rf1 loss in 2 half-moves
27 Rh1 loss in 2 half-moves