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

EGTB: win in 2 half-moves

# move score
1 Ka7 win in 1 half-moves
2 Rb1 win in 1 half-moves
3 Rb2 win in 1 half-moves
4 Rb3 win in 1 half-moves
5 Rb4 win in 1 half-moves
6 Rb5 win in 1 half-moves
7 Rb6 win in 1 half-moves
8 Rb7 win in 1 half-moves
9 Kb1 draw
10 Kb2 draw
11 Kb7 draw
12 Kc2 draw
13 Kd1 draw
14 Kd2 draw
15 Rc8 draw
16 Rd8 draw
17 Re8 draw
18 Rf8 draw
19 Rg8 draw
20 Rh8 draw