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

EGTB: draw

# move score
1 Rb3 draw
2 Rb6 draw
3 Rb7 draw
4 Rb8 draw
5 Rc4 draw
6 Rd4 draw
7 Re4 draw
8 Rf4 draw
9 Rg4 draw
10 Rh4 draw
11 Kc1 loss in 2 half-moves
12 Kc2 loss in 2 half-moves
13 Kd2 loss in 2 half-moves
14 Ke1 loss in 2 half-moves
15 Ke2 loss in 2 half-moves
16 Ra4 loss in 2 half-moves
17 Rb1 loss in 2 half-moves
18 Rb2 loss in 2 half-moves
19 Rb5 loss in 2 half-moves