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

EGTB: win in 2 half-moves

# move score
1 Rb5 win in 1 half-moves
2 Rb6 win in 1 half-moves
3 Ka4 draw
4 Ka6 draw
5 Kb5 draw
6 Kb6 draw
7 Kh2 draw
8 Ra8 draw
9 Rb1 draw
10 Rb2 draw
11 Rb3 draw
12 Rb4 draw
13 Rb7 draw
14 Rc8 draw
15 Rd8 draw
16 Re8 draw
17 Rf8 draw
18 Rg8 draw
19 Kg1 loss in 2 half-moves
20 Kg2 loss in 2 half-moves
21 Kb4 loss in 1 half-moves
22 Rh8 loss in 1 half-moves