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 Kd1 draw
3 Kd2 draw
4 Kee2 draw
5 Kef2 draw
6 Kfe2 draw
7 Kff2 draw
8 Kg1 draw
9 Kg2 draw
10 Ra8 draw
11 Rb1 draw
12 Rb3 draw
13 Rb4 draw
14 Rc8 draw
15 Rd8 draw
16 Rh8 draw
17 Rb5 loss in 2 half-moves
18 Rb6 loss in 2 half-moves
19 Rb7 loss in 2 half-moves
20 Re8 loss in 2 half-moves
21 Rf8 loss in 2 half-moves
22 Rg8 loss in 2 half-moves