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