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

EGTB: win in 2 half-moves

# move score
1 Ra8 win in 1 half-moves
2 Rc8 win in 1 half-moves
3 Rd8 win in 1 half-moves
4 Re8 win in 1 half-moves
5 Ka3 draw
6 Ka4 draw
7 Ka5 draw
8 Kb5 draw
9 Kc3 draw
10 Kc4 draw
11 Kc5 draw
12 Ke7 draw
13 Ke8 draw
14 Kf7 draw
15 Kg7 draw
16 Kg8 draw
17 Rb5 draw
18 Rb6 draw
19 Rb7 draw
20 Kb3 loss in 1 half-moves