Kokona Ishikawa
Country: JPN
Kokona Ishikawa
Doubles rating
1,456
Δ +4.0 recent
Matches tracked
74
Across rated competitions
Volatility
70
σ (lower is steadier)
Offset in effect: -220
Raw rating before offsets: 1,676. This ladder currently uses a baseline adjustment until inter-division data accumulates.
Learn how OpenRating calibrates ladders →Recent matches
Rated results with rating deltas and opponents. Scroll to load more.
- Sep 28, 2025•DOUBLES•WD21-16 · 21-17
Side A
WinnerΔ +4.0μ 1771 → 1775Ririna HIRAMOTOΔ +4.0μ 1672 → 1676Kokona IshikawaSide B
Δ -4.0μ 1638 → 1634Hinata SuzukiΔ -4.0μ 1739 → 1735Nao YAMAKITANao YAMAKITAJPN
- Sep 27, 2025•DOUBLES•WD15-21 · 16-21
Side A
Δ -3.7μ 1712 → 1708Yu Hsuan ChenΔ -3.7μ 1648 → 1644Chiao-Yun LiuSide B
WinnerΔ +3.7μ 1767 → 1771Ririna HIRAMOTOΔ +3.7μ 1668 → 1672Kokona Ishikawa - Sep 26, 2025•DOUBLES•WD19-21 · 15-21
Side A
Δ -2.1μ 1681 → 1679Xin Yee OngXin Yee OngMAS
Δ -2.1μ 1580 → 1578Carmen TingCarmen TingMAS
Side B
WinnerΔ +2.1μ 1765 → 1767Ririna HIRAMOTOΔ +2.1μ 1666 → 1668Kokona Ishikawa - Sep 25, 2025•DOUBLES•WD21-23 · 13-21
Side A
Δ -3.6μ 1659 → 1656Chih-Chun LINΔ -3.6μ 1682 → 1678Wan Ching LinSide B
WinnerΔ +3.6μ 1761 → 1765Ririna HIRAMOTOΔ +3.6μ 1662 → 1666Kokona Ishikawa - Sep 24, 2025•DOUBLES•WD21-19 · 22-24 · 12-21
Side A
Δ -3.0μ 1789 → 1786Yun An CHOUYun An CHOUTPE
Δ -3.0μ 1511 → 1508Ke Xin HUANGKe Xin HUANGTPE
Side B
WinnerΔ +3.0μ 1758 → 1761Ririna HIRAMOTOΔ +3.0μ 1659 → 1662Kokona Ishikawa - Sep 21, 2025•DOUBLES•WD21-17 · 21-9
Side A
WinnerΔ +7.6μ 1660 → 1667Xiao Min LinXiao Min LinTPE
Δ +7.6μ 1670 → 1677Yu Qiao WANGYu Qiao WANGTPE
Side B
Δ -7.6μ 1775 → 1767Ririna HIRAMOTOΔ -7.6μ 1667 → 1659Kokona Ishikawa - Sep 20, 2025•DOUBLES•WD22-20 · 14-21 · 12-21
Side A
Δ -5.4μ 1663 → 1657Min Ji KIMMin Ji KIMKOR
Δ -5.4μ 1649 → 1643Ye Na LEEYe Na LEEKOR
Side B
WinnerΔ +5.4μ 1769 → 1775Ririna HIRAMOTOΔ +5.4μ 1662 → 1667Kokona Ishikawa - Sep 19, 2025•DOUBLES•WD19-21 · 19-21
Side A
Δ -2.6μ 1711 → 1709Yu Hsuan ChenΔ -2.6μ 1634 → 1631Chiao-Yun LiuSide B
WinnerΔ +2.6μ 1767 → 1769Ririna HIRAMOTOΔ +2.6μ 1659 → 1662Kokona Ishikawa - Sep 18, 2025•DOUBLES•WD21-11 · 12-21 · 13-21
Side A
Δ -4.9μ 1764 → 1759Jia Yue LiuJia Yue LiuCHN
Δ -4.9μ 1607 → 1602Yi Duo WANGYi Duo WANGCHN
Side B
WinnerΔ +4.9μ 1762 → 1767Ririna HIRAMOTOΔ +4.9μ 1654 → 1659Kokona Ishikawa - Sep 17, 2025•DOUBLES•WD21-17 · 22-20
Side A
WinnerΔ +6.1μ 1755 → 1762Ririna HIRAMOTOΔ +6.1μ 1648 → 1654Kokona IshikawaSide B
Δ -6.1μ 1835 → 1828Tidapron KLEEBYEESUNΔ -6.1μ 1679 → 1673Nattamon LAISUAN - Aug 10, 2025•DOUBLES•WD21-17 · 21-15
Side A
WinnerΔ +6.9μ 1749 → 1755Ririna HIRAMOTOΔ +6.9μ 1641 → 1648Kokona IshikawaSide B
Δ -6.9μ 1669 → 1662Hinata SuzukiΔ -6.9μ 1770 → 1763Nao YAMAKITANao YAMAKITAJPN
- Aug 9, 2025•DOUBLES•WD19-21 · 21-11 · 21-14
Side A
WinnerΔ +8.5μ 1740 → 1749Ririna HIRAMOTOΔ +8.5μ 1647 → 1656Kokona IshikawaSide B
Δ -8.5μ 1546 → 1538Tomona HARIMAΔ -8.5μ 1600 → 1591Tsukiko YASAKI - Aug 8, 2025•DOUBLES•WD15-21 · 16-21
Side A
Δ -3.8μ 1611 → 1607Chun Hsun TengΔ -3.8μ 1694 → 1690Chu Yun YangChu Yun YangTPE
Side B
WinnerΔ +3.8μ 1736 → 1740Ririna HIRAMOTOΔ +3.8μ 1638 → 1642Kokona Ishikawa - Jul 29, 2025•DOUBLES•WD21-14 · 15-21 · 21-15
Side A
WinnerΔ +11.8μ 1557 → 1569Su Hui ChengSu Hui ChengMAS
Δ +11.8μ 1563 → 1575Zhing Yi TanZhing Yi TanMAS
Side B
Δ -11.8μ 1732 → 1720Ririna HIRAMOTOΔ -11.8μ 1626 → 1615Kokona Ishikawa - Jul 17, 2025•DOUBLES•WD21-14 · 21-17
Side A
WinnerΔ +1.0μ 1846 → 1847Sheng Shu LiuΔ +1.0μ 1819 → 1820Ning TanNing TanCHN
Side B
Δ -1.0μ 1627 → 1626Kokona IshikawaΔ -1.0μ 1739 → 1738Maiko KAWAZOE - Jul 15, 2025•DOUBLES•WD21-13 · 21-7
Side A
WinnerΔ +2.2μ 1625 → 1627Kokona IshikawaΔ +2.2μ 1737 → 1739Maiko KAWAZOESide B
Δ -2.2μ 1591 → 1589Rutaparna PandaΔ -2.2μ 1550 → 1548Swetaparna Panda - May 10, 2025•DOUBLES•WD15-21 · 22-20 · 22-20
Side A
WinnerΔ +4.4μ 1708 → 1712Margot LAMBERTΔ +4.4μ 1641 → 1645Camille POGNANTESide B
Δ -4.4μ 1740 → 1735Ririna HIRAMOTOΔ -4.4μ 1630 → 1625Kokona Ishikawa - May 9, 2025•DOUBLES•WD21-10 · 21-9
Side A
WinnerΔ +3.3μ 1736 → 1740Ririna HIRAMOTOΔ +3.3μ 1626 → 1630Kokona IshikawaSide B
Δ -3.3μ 1503 → 1500Maria Søgård ANDERSENΔ -3.3μ 1472 → 1469Rebecca THORUP - May 9, 2025•DOUBLES•WD21-13 · 21-15
Side A
WinnerΔ +2.2μ 1734 → 1736Ririna HIRAMOTOΔ +2.2μ 1624 → 1626Kokona IshikawaSide B
Δ -2.2μ 1475 → 1472Hsin En HUNGHsin En HUNGTPE
Δ -2.2μ 1668 → 1666Chih Chen Lee - Mar 26, 2025•DOUBLES•WD21-12 · 22-20
Side A
WinnerΔ +5.4μ 1668 → 1673Gronya SomervilleΔ +5.4μ 1680 → 1685Angela YuAngela YuAUS
Side B
Δ -5.4μ 1740 → 1734Ririna HIRAMOTOΔ -5.4μ 1630 → 1624Kokona Ishikawa
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