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 Kb6 draw
3 Kb7 draw
4 Kc6 draw
5 Kc8 draw
6 Kd6 draw
7 Kd7 draw
8 Kd8 draw
9 Rb1 draw
10 Rb2 draw
11 Rb3 draw
12 Rb4 draw
13 Rb5 draw
14 Rb7 draw
15 Rc8 draw
16 Rd8 draw
17 Re8 draw
18 Rf8 draw
19 Rg8 draw
20 Rb6 loss in 2 half-moves
21 Rh8 loss in 2 half-moves