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

EGTB: win in 2 half-moves

# move score
1 Ka8 win in 1 half-moves
2 Rg8 win in 1 half-moves
3 K6b7 win in 3 half-moves
4 K6b6 draw
5 K7b6 draw
6 K7b7 draw
7 Ka5 draw
8 Kb5 draw
9 Ra8 draw
10 Rb1 draw
11 Rb2 draw
12 Rb3 draw
13 Rb4 draw
14 Rb6 draw
15 Rc8 draw
16 Rd8 draw
17 Re8 draw
18 Rb5 loss in 1 half-moves
19 Rb7 loss in 1 half-moves
20 Rf8 loss in 1 half-moves
21 Rh8 loss in 1 half-moves