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

EGTB: win in 2 half-moves

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