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

EGTB: win in 4 half-moves

# move score
1 Rb2 win in 3 half-moves
2 K5b5 draw
3 K5b6 draw
4 K6b5 draw
5 K6b6 draw
6 Ka4 draw
7 Ka7 draw
8 Kb4 draw
9 Ra1 draw
10 Rc2 draw
11 Rd2 draw
12 Re2 draw
13 Rf2 draw
14 Kb7 loss in 2 half-moves
15 Ra3 loss in 2 half-moves
16 Ra4 loss in 2 half-moves
17 Rg2 loss in 2 half-moves
18 Rh2 loss in 2 half-moves