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 Ka3 draw
3 Ka4 draw
4 Ka5 draw
5 Kb3 draw
6 Kc3 draw
7 Kc4 draw
8 Kc5 draw
9 Ra2 draw
10 Rb3 draw
11 Rc2 draw
12 Kb5 loss in 8 half-moves
13 Rd2 loss in 4 half-moves
14 Rf2 loss in 2 half-moves
15 Rg2 loss in 2 half-moves
16 Rh2 loss in 2 half-moves
17 Re2 loss in 1 half-moves