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

EGTB: win in 2 half-moves

# move score
1 Ra4 win in 1 half-moves
2 K1g1 draw
3 K1g2 draw
4 K2g2 draw
5 Rc4 draw
6 Rd2 draw
7 Rd5 draw
8 Rd6 draw
9 Rd7 draw
10 Rd8 draw
11 Re4 draw
12 Rf4 draw
13 Rg4 draw
14 Rh4 draw
15 K2g1 loss in 2 half-moves
16 Kg3 loss in 2 half-moves
17 Kh3 loss in 2 half-moves
18 Rb4 loss in 1 half-moves
19 Rd1 loss in 1 half-moves
20 Rd3 loss in 1 half-moves