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

EGTB: win in 4 half-moves

# move score
1 Rd1 win in 3 half-moves
2 Ka2 draw
3 Kb1 draw
4 Kb2 draw
5 Kd1 draw
6 Kd2 draw
7 Ke2 draw
8 Kf1 draw
9 Kf2 draw
10 Rc2 draw
11 Rc3 draw
12 Rc7 draw
13 Rc8 draw
14 Rb1 loss in 2 half-moves
15 Rc4 loss in 2 half-moves
16 Rc5 loss in 2 half-moves
17 Rc6 loss in 2 half-moves