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

EGTB: win in 4 half-moves

# move score
1 Ka3 win in 3 half-moves
2 K4b4 draw
3 K5b4 draw
4 K5b5 draw
5 Ra1 draw
6 Ra3 draw
7 Rb2 draw
8 Rc2 draw
9 Rg2 draw
10 Rh2 draw
11 K4b5 loss in 2 half-moves
12 Kb3 loss in 2 half-moves
13 Ka6 loss in 1 half-moves
14 Kb6 loss in 1 half-moves
15 Rd2 loss in 1 half-moves
16 Re2 loss in 1 half-moves
17 Rf2 loss in 1 half-moves