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

EGTB: win in 4 half-moves

# move score
1 Kb2 win in 3 half-moves
2 Kb3 win in 3 half-moves
3 Kb4 win in 3 half-moves
4 Kc7 win in 3 half-moves
5 Ra2 win in 3 half-moves
6 Rb1 win in 3 half-moves
7 Ka2 draw
8 Ka4 draw
9 Kc6 draw
10 Kc8 draw
11 Kd6 draw
12 Kd8 draw
13 Ke6 draw
14 Ke8 draw
15 Rc1 draw
16 Rd1 draw
17 Re1 draw
18 Rf1 draw
19 Ke7 loss in 2 half-moves
20 Rg1 loss in 2 half-moves
21 Rh1 loss in 2 half-moves