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 Ka4 draw
3 Ka5 draw
4 Ka6 draw
5 Kb6 draw
6 Kc4 draw
7 Kc5 draw
8 Kc6 draw
9 Ra2 draw
10 Rc2 draw
11 Kb4 loss in 8 half-moves
12 Rd2 loss in 4 half-moves
13 Re2 loss in 4 half-moves
14 Rb3 loss in 2 half-moves
15 Rb4 loss in 2 half-moves
16 Rg2 loss in 2 half-moves
17 Rh2 loss in 2 half-moves
18 Rf2 loss in 1 half-moves