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 Ra8 draw
11 Rb1 draw
12 Rb3 draw
13 Rb4 draw
14 Rf8 draw
15 Rb5 loss in 2 half-moves
16 Rb6 loss in 2 half-moves
17 Rb7 loss in 2 half-moves
18 Rc8 loss in 2 half-moves
19 Rd8 loss in 2 half-moves
20 Re8 loss in 2 half-moves
21 Rg8 loss in 2 half-moves
22 Rh8 loss in 2 half-moves