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

EGTB: win in 4 half-moves

# move score
1 Rb1 win in 3 half-moves
2 Rb2 win in 3 half-moves
3 Re3 win in 3 half-moves
4 Rf3 win in 5 half-moves
5 Ke3 draw
6 Ke4 draw
7 Ke5 draw
8 Kf3 draw
9 Kf5 draw
10 Kg3 draw
11 Kg4 draw
12 Kg5 draw
13 Ra3 draw
14 Rb4 draw
15 Rb5 draw
16 Rb6 draw
17 Rb7 draw
18 Rc3 draw
19 Rd3 draw
20 Rg3 draw
21 Rb8 loss in 2 half-moves
22 Rh3 loss in 2 half-moves