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 Kc1 draw
3 Kc2 draw
4 Kd2 draw
5 Ke1 draw
6 Ke2 draw
7 Kg1 draw
8 Kg2 draw
9 Kh2 draw
10 Ra6 draw
11 Rb1 draw
12 Rb3 draw
13 Rb4 draw
14 Rb5 draw
15 Rf6 draw
16 Rg6 draw
17 Rh6 draw
18 Rb7 loss in 2 half-moves
19 Rb8 loss in 2 half-moves
20 Rc6 loss in 2 half-moves
21 Rd6 loss in 2 half-moves
22 Re6 loss in 2 half-moves