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

EGTB: win in 2 half-moves

# move score
1 Ka6 win in 1 half-moves
2 Ka7 win in 1 half-moves
3 Ka8 win in 1 half-moves
4 Kb6 win in 1 half-moves
5 Kb8 win in 1 half-moves
6 Kc6 win in 1 half-moves
7 Rb1 win in 1 half-moves
8 Rb2 win in 1 half-moves
9 Rb3 win in 1 half-moves
10 Kc7 draw
11 Kc8 draw
12 Ra4 draw
13 Rb5 draw
14 Rb6 draw
15 Rc4 draw
16 Rd4 draw
17 Re4 draw
18 Rf4 draw
19 Rh4 draw
20 Rg4 loss in 2 half-moves