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

EGTB: win in 2 half-moves

# move score
1 Ra3 win in 1 half-moves
2 Kb1 draw
3 Kb2 draw
4 Kb3 draw
5 Kc1 draw
6 Kc3 draw
7 Kd1 draw
8 Kd2 draw
9 Kd3 draw
10 Rb3 draw
11 Rc3 draw
12 Rd3 draw
13 Rf2 draw
14 Rf4 draw
15 Rf5 draw
16 Rf6 draw
17 Rf7 draw
18 Rf8 draw
19 Rg3 draw
20 Re3 loss in 2 half-moves
21 Rf1 loss in 2 half-moves
22 Rh3 loss in 2 half-moves