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

EGTB: win in 8 half-moves

# move score
1 Rb7 win in 7 half-moves
2 Rb8 win in 9 half-moves
3 Ka3 draw
4 Ka5 draw
5 Kb3 draw
6 Kb5 draw
7 Ke7 draw
8 Ke8 draw
9 Kf7 draw
10 Kg7 draw
11 Kg8 draw
12 Rb3 draw
13 Rb5 draw
14 Rb6 draw
15 Rc4 draw
16 Rd4 draw
17 Re4 draw
18 Rf4 draw
19 Rb1 loss in 2 half-moves
20 Rb2 loss in 2 half-moves
21 Rg4 loss in 2 half-moves
22 Rh4 loss in 2 half-moves