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

EGTB: win in 2 half-moves

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