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

EGTB: draw

# move score
1 a2 draw
2 Kg1 draw
3 Kg2 draw
4 Kg3 draw
5 Kh1 draw
6 Kh3 draw
7 Ra4 draw
8 Rb1 draw
9 Rb2 draw
10 Rb3 draw
11 Rc4 draw
12 Rd4 draw
13 Rb5 loss in 2 half-moves
14 Rb6 loss in 2 half-moves
15 Rb7 loss in 2 half-moves
16 Rb8 loss in 2 half-moves
17 Re4 loss in 2 half-moves
18 Rf4 loss in 2 half-moves
19 Rg4 loss in 2 half-moves
20 Rh4 loss in 2 half-moves