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

EGTB: win in 2 half-moves

# move score
1 Rb7 win in 1 half-moves
2 Rb8 win in 1 half-moves
3 Ka2 draw
4 Kb1 draw
5 Kb2 draw
6 Ke7 draw
7 Ke8 draw
8 Kf7 draw
9 Kg7 draw
10 Kg8 draw
11 Ra4 draw
12 Rb3 draw
13 Rb5 draw
14 Rb6 draw
15 Rc4 draw
16 Rd4 draw
17 Re4 draw
18 Rg4 draw
19 Rh4 draw
20 Rb1 loss in 1 half-moves
21 Rb2 loss in 1 half-moves
22 Rf4 loss in 1 half-moves