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

EGTB: win in 4 half-moves

# move score
1 Rb5 win in 3 half-moves
2 Ka5 draw
3 Ka6 draw
4 Ka7 draw
5 Kb5 draw
6 Kb8 draw
7 Kbb7 draw
8 Kbc7 draw
9 Kc5 draw
10 Kc6 draw
11 Kcb7 draw
12 Kcc7 draw
13 Kd7 draw
14 Kd8 draw
15 Ra3 draw
16 Rb4 draw
17 Rc3 draw
18 Rg3 draw
19 Rb1 loss in 2 half-moves
20 Rb2 loss in 2 half-moves
21 Rd3 loss in 2 half-moves
22 Re3 loss in 2 half-moves
23 Rf3 loss in 2 half-moves
24 Rh3 loss in 2 half-moves