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

EGTB: win in 4 half-moves

# move score
1 Rb2 win in 3 half-moves
2 Ke4 win in 5 half-moves
3 Rb3 win in 5 half-moves
4 Kd3 draw
5 Kd4 draw
6 Ke2 draw
7 Ra6 draw
8 Rb1 draw
9 Rb7 draw
10 Rb8 draw
11 Rc6 draw
12 Rd6 draw
13 Re6 draw
14 Kd2 loss in 2 half-moves
15 Kf2 loss in 2 half-moves
16 Kf3 loss in 2 half-moves
17 Kf4 loss in 2 half-moves
18 Rb4 loss in 2 half-moves
19 Rb5 loss in 2 half-moves
20 Rf6 loss in 2 half-moves
21 Rg6 loss in 2 half-moves
22 Rh6 loss in 2 half-moves