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 Rb4 win in 3 half-moves
3 Rb5 win in 3 half-moves
4 Kg5 win in 5 half-moves
5 Kf3 draw
6 Kg3 draw
7 Rb6 draw
8 Rc2 draw
9 Re2 draw
10 Rg2 draw
11 Rh2 draw
12 Ke3 loss in 2 half-moves
13 Ke4 loss in 2 half-moves
14 Ke5 loss in 2 half-moves
15 Kf5 loss in 1 half-moves
16 Kg4 loss in 1 half-moves
17 Ra2 loss in 1 half-moves
18 Rb1 loss in 1 half-moves
19 Rb7 loss in 1 half-moves
20 Rb8 loss in 1 half-moves
21 Rd2 loss in 1 half-moves
22 Rf2 loss in 1 half-moves