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 Ka5 draw
3 Ka6 draw
4 Kb5 draw
5 Kb7 draw
6 Kc5 draw
7 Kc6 draw
8 Kc7 draw
9 Ra4 draw
10 Rb1 draw
11 Rb3 draw
12 Rb5 draw
13 Rc4 draw
14 Ka7 loss in 6 half-moves
15 Rd4 loss in 4 half-moves
16 Re4 loss in 2 half-moves
17 Rf4 loss in 2 half-moves
18 Rh4 loss in 2 half-moves
19 Rg4 loss in 1 half-moves