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

EGTB: win in 2 half-moves

# move score
1 Rb1 win in 1 half-moves
2 Ka6 draw
3 Ka8 draw
4 Kb6 draw
5 Kb8 draw
6 Kc6 draw
7 Kc7 draw
8 Kc8 draw
9 Ra2 draw
10 Rb3 draw
11 Rb4 draw
12 Rb5 draw
13 Rb6 draw
14 Rc2 draw
15 Ka7 loss in 6 half-moves
16 Rd2 loss in 4 half-moves
17 Re2 loss in 2 half-moves
18 Rf2 loss in 2 half-moves
19 Rh2 loss in 2 half-moves
20 Rg2 loss in 1 half-moves