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

EGTB: win in 6 half-moves

# move score
1 Kb3 win in 5 half-moves
2 K1b1 draw
3 K1b2 draw
4 K2b1 draw
5 K2b2 draw
6 Ka3 draw
7 Ra5 draw
8 Rb5 draw
9 Rc3 draw
10 Rc4 draw
11 Rc6 draw
12 Rc7 draw
13 Rc8 draw
14 Rd5 draw
15 Rh5 draw
16 Rc1 loss in 2 half-moves
17 Rc2 loss in 2 half-moves
18 Re5 loss in 2 half-moves
19 Rf5 loss in 2 half-moves
20 Rg5 loss in 2 half-moves