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

EGTB: draw

# move score
1 Rc7 draw
2 Rc8 draw
3 Rf4 draw
4 Kb1 loss in 2 half-moves
5 Kb2 loss in 2 half-moves
6 Kb3 loss in 2 half-moves
7 Kc1 loss in 2 half-moves
8 Kc3 loss in 2 half-moves
9 Kd1 loss in 2 half-moves
10 Kd2 loss in 2 half-moves
11 Kd3 loss in 2 half-moves
12 Ra4 loss in 2 half-moves
13 Rb4 loss in 2 half-moves
14 Rc3 loss in 2 half-moves
15 Rc5 loss in 2 half-moves
16 Rd4 loss in 2 half-moves
17 Re4 loss in 2 half-moves
18 Rg4 loss in 2 half-moves
19 Rh4 loss in 2 half-moves
20 Rc6 loss in 1 half-moves