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

EGTB: win in 2 half-moves

# move score
1 Rb4 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 Ra2 draw
11 Rb3 draw
12 Rb5 draw
13 Rb6 draw
14 Rc2 draw
15 Rd2 draw
16 Re2 draw
17 Rf2 draw
18 Rg2 draw
19 Rb1 loss in 2 half-moves
20 Rh2 loss in 2 half-moves