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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Rb5 win in 3 half-moves
3 Rb6 win in 3 half-moves
4 Rb7 win in 3 half-moves
5 Rb8 win in 3 half-moves
6 Kb7 draw
7 Kb8 draw
8 Kcc7 draw
9 Kcd7 draw
10 Kdc7 draw
11 Kdd7 draw
12 Ke7 draw
13 Ke8 draw
14 Ra3 draw
15 Rc3 draw
16 Rd3 draw
17 Re3 draw
18 Rf3 draw
19 Rb1 loss in 2 half-moves
20 Rb2 loss in 2 half-moves
21 Rg3 loss in 2 half-moves
22 Rh3 loss in 2 half-moves