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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Rb5 win in 1 half-moves
3 Rb6 win in 1 half-moves
4 Ka7 draw
5 Kb7 draw
6 Kg5 draw
7 Kg6 draw
8 Kh4 draw
9 Kh6 draw
10 Rb1 draw
11 Rb3 draw
12 Rb7 draw
13 Rc8 draw
14 Rd8 draw
15 Re8 draw
16 Rf8 draw
17 Rg8 draw
18 Rh8 draw
19 Kg4 loss in 1 half-moves
20 Rb2 loss in 1 half-moves