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

EGTB: win in 2 half-moves

# move score
1 Rb1 win in 1 half-moves
2 Ka4 draw
3 Ka5 draw
4 Ka6 draw
5 Kc4 draw
6 Kc5 draw
7 Ra4 draw
8 Rb2 draw
9 Rf4 draw
10 Rg4 draw
11 Rh4 draw
12 Kb6 loss in 2 half-moves
13 Kc6 loss in 2 half-moves
14 Rb3 loss in 2 half-moves
15 Rc4 loss in 2 half-moves
16 Rd4 loss in 2 half-moves
17 Re4 loss in 2 half-moves