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 Ka2 draw
3 Kab1 draw
4 Kab2 draw
5 Kc2 draw
6 Kcb1 draw
7 Kcb2 draw
8 Kd1 draw
9 Kd2 draw
10 Ra6 draw
11 Rb1 draw
12 Rb3 draw
13 Rb4 draw
14 Rb5 draw
15 Rc6 draw
16 Rd6 draw
17 Re6 draw
18 Rf6 draw
19 Rb7 loss in 2 half-moves
20 Rb8 loss in 2 half-moves
21 Rg6 loss in 2 half-moves
22 Rh6 loss in 2 half-moves