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

EGTB: win in 2 half-moves

# move score
1 Ka1 win in 1 half-moves
2 Kc1 win in 1 half-moves
3 Ka2 draw
4 Ka3 draw
5 Kb1 draw
6 Kc3 draw
7 Ra5 draw
8 Rc5 draw
9 Rd5 draw
10 Re5 draw
11 Rf5 draw
12 Kb3 loss in 4 half-moves
13 Kc2 loss in 2 half-moves
14 Rb3 loss in 2 half-moves
15 Rb4 loss in 2 half-moves
16 Rb6 loss in 2 half-moves
17 Rb7 loss in 2 half-moves
18 Rb8 loss in 2 half-moves
19 Rg5 loss in 2 half-moves
20 Rh5 loss in 2 half-moves