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

EGTB: win in 4 half-moves

# move score
1 Rb4 win in 3 half-moves
2 Rb6 win in 3 half-moves
3 Ka4 draw
4 Ka6 draw
5 Kab4 draw
6 Kab5 draw
7 Kab6 draw
8 Kc4 draw
9 Kc6 draw
10 Kcb4 draw
11 Kcb5 draw
12 Kcb6 draw
13 Kd4 draw
14 Kd5 draw
15 Kd6 draw
16 Ra3 draw
17 Rb5 draw
18 Rb7 draw
19 Rb8 draw
20 Rc3 draw
21 Rd3 draw
22 Rh3 draw
23 Rb1 loss in 2 half-moves
24 Rb2 loss in 2 half-moves
25 Re3 loss in 2 half-moves
26 Rf3 loss in 2 half-moves
27 Rg3 loss in 2 half-moves