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

EGTB: win in 4 half-moves

# move score
1 Rb3 win in 3 half-moves
2 Rb5 win in 3 half-moves
3 Re8 win in 3 half-moves
4 Rb4 win in 5 half-moves
5 Rf8 win in 5 half-moves
6 Ke3 draw
7 Ke4 draw
8 Ke5 draw
9 Kf5 draw
10 Kg4 draw
11 Kg5 draw
12 Ra8 draw
13 Rb6 draw
14 Rb7 draw
15 Rc8 draw
16 Rd8 draw
17 Kf3 loss in 2 half-moves
18 Kg3 loss in 2 half-moves
19 Rb1 loss in 2 half-moves
20 Rb2 loss in 2 half-moves
21 Rg8 loss in 2 half-moves
22 Rh8 loss in 2 half-moves