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 K4b3 win in 7 half-moves
3 K3b3 draw
4 Ka5 draw
5 Kb2 draw
6 Ra1 draw
7 Rf2 draw
8 Rg2 draw
9 Rh2 draw
10 K3b4 loss in 2 half-moves
11 K4b4 loss in 2 half-moves
12 Kb5 loss in 2 half-moves
13 Rc2 loss in 2 half-moves
14 Rd2 loss in 2 half-moves
15 Re2 loss in 2 half-moves