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 Ka7 win in 7 half-moves
3 Ka8 win in 7 half-moves
4 Kbc7 win in 7 half-moves
5 Kc5 win in 7 half-moves
6 Kd5 win in 7 half-moves
7 Ra3 win in 7 half-moves
8 Rb1 win in 7 half-moves
9 Rb2 win in 7 half-moves
10 Rb4 win in 7 half-moves
11 Rb6 win in 7 half-moves
12 Kb5 draw
13 Kb6 draw
14 Kbb7 draw
15 Kc8 draw
16 Kcb7 draw
17 Kcc7 draw
18 Rc3 draw
19 Rd3 draw
20 Re3 draw
21 Rg3 draw
22 Rh3 draw
23 Kd6 loss in 2 half-moves
24 Kd7 loss in 2 half-moves
25 Rb7 loss in 2 half-moves
26 Rf3 loss in 2 half-moves